| Saab (Linköping), Sweden |
| Saar 05 (Saarbrücken), FRG |
| Saarbrücken (Saarbrücken), FRG |
| Saarbrücken (Saarbrücken), Germany |
| Saarbrücken (Saarbrücken), Saarland |
| Saba (Qom), Iran |
| Sabadell (Sabadell), Spain |
| Sabah (Bakı), Azerbaijan |
| Sabah (Kota Kinabalu), Malaysia |
| Sable FC (Batié), Cameroon |
| Saburtalo (Tbilisi), Georgia |
| Sacachispas (Chiquimula), Guatemala |
| Sachsen (Leipzig), GDR |
| Sacramento Gold (Sacramento), USA |
| Sadam (Tallinn), Estonia |
| Safa (Beirut), Lebanon |
| Saffron Walden Town (Saffron Walden), England |
| Şagadam (Türkmenbaşy), Turkmenistan |
| Sagitun (Independence), Belize |
| Sagrada Esperança (Dundo), Angola |
| Sagrada Familia (San José), Costa Rica |
| Saham Club (Saham), Oman |
| Saharniki (Karlovka), USSR |
| Saharniki (Sumy), USSR |
| Şahdağ (Kusary), USSR |
| Şahdağ (Qusar), Azerbaijan |
| Sahel SC (Niamey), Niger |
| Saif (Dhaka), Bangladesh |
| Saint Anthony, Liberia |
| Saint George FC (Addis Ababa), Ethiopia |
| Saint George Saints (Sydney), Australia |
| Saint Joseph, Dominican Republic |
| Saint Joseph Warriors (Monrovia), Liberia |
| Saint Louis Busch (Saint Louis), USA |
| Saint Louis Kutis (Saint Louis), USA |
| Saint Louis Stars (Saint Louis), USA |
| Saint Louis Suns United (Victoria), Seychelles |
| Saint Michel d'Ouenzé (Brazzaville), Congo |
| Saint-André Léopards (Saint-André), Réunion |
| Saint-Étienne (Saint-Étienne), France |
| Saint-Louis (Victoria), Seychelles |
| Saint-Luc (Kananga), DR Congo |
| Saint-Michel United (Victoria), Seychelles |
| Saint-Pauloise (Saint-Paul), Réunion |
| Sainte-Marienne (Sainte-Marie), Réunion |
| Sainte-Rose (Sainte-Rose), Guadeloupe |
| Saipa (Karaj), Iran |
| SAK (Salzburg), Austria |
| Sakaryaspor (Adapazari), Turkey |
| Sakhalin (Yuzhno-Sakhalinsk), Russia |
| Sakhalin (Yuzhno-Sakhalinsk), USSR |
| Sakhalinets (Moscow), Russia |
| Salaam Bor, South Sudan |
| Salam Zgharta (Zgharta), Lebanon |
| Salamanca (Salamanca), Spain |
| Salamander (Türkheim), FRG |
| Sale Holmefield, England |
| Salernitana (Salerno), Italy |
| Salford City (Salford), England |
| Salford United, England |
| Salgaocar (Vasco da Gama), India |
| Salgótarján (Salgótarján), Hungary |
| Salgueiro (Salgueiro), Brazil |
| Salgueiros (Porto), Portugal |
| Salisbury (Salisbury), England |
| Salisbury City, England |
| Salisbury City (Salisbury), England |
| Salisbury Corinthians, England |
| Salitas (Ouagadougou), Burkina Faso |
| Salmrohr (Salmtal), FRG |
| Saltash United (Saltash), England |
| Saltburn, England |
| Saltburn Swifts, England |
| Saltdean United (Saltdean), England |
| Salterbeck, England |
| Saltney, England |
| Salyut (Belgorod), USSR |
| Salyut (Kamensk-Uralksiy), USSR |
| Salyut (Saratov), Russia |
| Salyut-Belgorod (Belgorod), Russia |
| Samaritaine (Sainte-Marie), Martinique |
| Samarkand (Samarkand region), USSR |
| Şamaxı (Şamaxı), Azerbaijan |
| Samgurali (Tskhaltubo), Georgia |
| Samobor (Samobor), Croatia |
| Sampaio Corrêa (São Luís), Brazil |
| Sampdoria (Genoa), Italy |
| Samsunspor (Samsun), Turkey |
| Samtredia (Samtredia), Georgia |
| San Antonio Thunder (San Antonio), USA |
| San Carlos (Quesada), Costa Rica |
| San Diego Jaws (San Diego), USA |
| San Diego Sockers (San Diego), USA |
| San Diego Toros (San Diego), USA |
| San Francisco (La Chorrera), Panama |
| San Francisco Bay Blackhawks (San Francisco), USA |
| San Francisco Golden Gate Gales (San Francisco), USA |
| San Francisco Greek American (San Francisco), USA |
| San Francois National, Trinidad and Tobago |
| San Joaquin (San Joaquin), Belize |
| San José (Oruro), Bolivia |
| San Jose Earthquakes (San Jose), USA |
| San Jose Earthquakes (Santa Clara), USA |
| San Jose Oaks (San Jose), USA |
| San Juan Jabloteh (San Juan), Trinidad and Tobago |
| San Lorenzo (Mar del Plata), Argentina |
| San Lorenzo (San Lorenzo), Paraguay |
| San Lorenzo de Almagro (Buenos Aires), Argentina |
| San Luis (San Luis Potosí), Mexico |
| San Marcos (San Marcos), Nicaragua |
| San Martín (General San Martín), Argentina |
| San Martín (Mendoza), Argentina |
| San Martín de Tucumán (San Miguel de Tucumán), Argentina |
| San Martín San Juan (San Juan), Argentina |
| San Pédro (San Pédro), Côte d'Ivoire |
| San Pedro Claver, Equatorial Guinea |
| San Pedro Yugoslavs (San Pedro), USA |
| San Salvador (San Salvador), El Salvador |
| San Telmo (Isla Maciel), Argentina |
| Sanat Mes (Kerman), Iran |
| Sanavardo (Samtredia), USSR |
| Sandaker (Oslo), Norway |
| Sandbach Ramblers, England |
| Sandbach United (Sandbach), England |
| Sandecja (Nowy Sącz), Poland |
| Sandefjord (Sandefjord), Norway |
| Sandhausen (Sandhausen), FRG |
| Sandhurst (Liverpool), England |
| Sandhurst Town (Sandhurst), England |
| Sandiacre Excelsior Foundry, England |
| Sandiacre Olympic, England |
| Sandnes Ulf (Sandnes), Norway |
| Sandown, England |
| Sandvikens (Sandviken), Sweden |
| Sandvikens AIK (Sandviken), Sweden |
| Sandwell Borough, England |
| Sandy Albion, England |
| Sandygate Excelsior, England |
| Sanfrecce Hiroshima (Hiroshima), Japan |
| Sanga Balende (Mbuji-Mayi), DR Congo |
| Sanjoanense (Sao Joao da Madeira), Portugal |
| Sankey of Wellington, England |
| Sankt Georg (Hamburg), FRG |
| Sankt Ingbert (Sankt Ingbert), FRG |
| Sankt Pauli (Hamburg), FRG |
| Sankt Pauli (Hamburg), Germany |
| Sankt Wendel (Sankt Wendel), FRG |
| Sant Julià (Sant Julià de Lòria), Andorra |
| Santa Clara (Ponta Delgada), Portugal |
| Santa Coloma (Santa Coloma), Andorra |
| Santa Cruz (Estância), Brazil |
| Santa Cruz (Natal), Brazil |
| Santa Cruz (Recife), Brazil |
| Santa Cruz (Santa Cruz), Brazil |
| Santa Cruz (Santa Cruz do Sul), Brazil |
| Santa Cruz Recreativo Esporte Clube (Santa Rita), Brazil |
| Santa Fe (Bogota), Colombia |
| Santa Helena Esporte Clube (Santa Helena de Goiás), Brazil |
| Santa Lucía (Santa Lucía Cotzumalguapa), Guatemala |
| Santa Quitéria (Santa Quitéria do Maranhão), Brazil |
| Santa Rita (Boca da Mata), Brazil |
| Santa Tecla (Santa Tecla), El Salvador |
| Santamarina (Tandil), Argentina |
| Santana FC (Santana), São Tomé and Príncipe |
| Santé d’Abéché, Chad |
| Santiago de Cuba (Santiago de Cuba), Cuba |
| Santiago Wanderers (Valparaíso), Chile |
| Santiagueño (Santiago de María), El Salvador |
| Santo André (Santo André), Brazil |
| Santo Antônio (Vitória), Brazil |
| Santoba (Conakry), Guinea |
| Santos (Cape Town), South Africa |
| Santos (Kingston), Jamaica |
| Santos (Santos), Brazil |
| Santos (Tartu), Estonia |
| Santos Viana (Luanda), Angola |
| Santos de Guápiles (Guápiles), Costa Rica |
| Santos Futebol Clube (Macapá), Brazil |
| Santos Laguna (Torreón), Mexico |
| São Bento (Sorocaba), Brazil |
| São Bernardo (São Bernardo do Campo), Brazil |
| São Caetano (São Caetano do Sul), Brazil |
| São Cristóvão (Rio de Janeiro), Brazil |
| São Domingos Futebol Clube (São Domingos), Brazil |
| São Francisco (Rio Branco), Brazil |
| São Francisco (Santarém), Brazil |
| São Gabriel Futebol Clube (São Gabriel), Brazil |
| São Gonçalo Futebol Clube (São Gonçalo do Amarante), Brazil |
| São José (São José dos Campos), Brazil |
| São Luiz (Ijuí), Brazil |
| São Paulo (Rio Grande), Brazil |
| São Paulo (São Paulo), Brazil |
| São Raimundo (Boa Vista), Brazil |
| São Raimundo (Manaus), Brazil |
| São Raimundo Esporte Clube (Santarém), Brazil |
| Saoura (Meridja), Algeria |
| SAP (Bolands), Antigua and Barbuda |
| Sapovnela (Terdzhola), Georgia |
| Saprissa (San José), Costa Rica |
| Sapucaiense (Sapucaia do Sul), Brazil |
| Sara Sport (Bafilo), Togo |
| Sarajevo (Sarajevo), Bosnia and Herzegovina |
| Sarajevo (Sarajevo), Yugoslavia |
| Sarawak (Kuching), Malaysia |
| Sarmiento (Junín), Argentina |
| Sarmiento (Resistencia), Argentina |
| Sarpsborg (Sarpsborg), Norway |
| Sarpsborg 08 (Sarpsborg), Norway |
| SARTID (Smederevo), Yugoslavia |
| Sassuolo (Sassuolo), Italy |
| Satellite du Plateau (Abidjan), Côte d'Ivoire |
| Satellite FC (Conakry), Guinea |
| Saturn (Naberezhnye Chelny), Russia |
| Saturn (Ramenskoe), USSR |
| Saturn (Ramenskoye), Russia |
| Saturn (Rybinsk), USSR |
| Saturn-1991 (Saint Petersburg), Russia |
| Saturn-2 (Moscow Region), Russia |
| Saturn-2 (Moskovskaya Oblast), Russia |
| Saunders (Colombo), Sri Lanka |
| Savanne (Souillac), Mauritius |
| Savit (Mogilev), Belarus |
| Savoy (Southall), England |
| Savoy Hotel, England |
| Sawbridgeworth, England |
| Sawbridgeworth Town (Sawbridgeworth), England |
| Sawston United, England |
| Saxan (Ceadîr-Lunga), Moldova |
| Saxons, England |
| SC Cilu (Lukala), DR Congo |
| SC de Bendjé (Bendjé), Gabon |
| SC Gagnoa (Gagnoa), Côte d'Ivoire |
| SC Hakoah Wien (Wien), Austria |
| Scalegill, England |
| Scarborough (Scarborough), England |
| Scarborough Athletic (Scarborough), England |
| Scarborough Junior Imperial, England |
| Scarborough Juniors, England |
| Scarborough Penguins, England |
| Scarborough Rangers, England |
| Scarlets (Nakuru), Kenya |
| Schaan (Schaan), Liechtenstein |
| Schaffhausen (Schaffhausen), Switzerland |
| Schalke 04 (Gelsenkirchen), FRG |
| Schalke 04 (Gelsenkirchen), Germany |
| Scherpenheuvel (Willemstad), Netherlands Antilles |
| Schleswig 06 (Schleswig), FRG |
| Schloß Neuhaus (Paderborn), FRG |
| Scholars International (West Bay), Cayman Islands |
| Schöppingen (Schöppingen), FRG |
| Schorne College, England |
| Schrecksbach (Schrecksbach), FRG |
| Schwaben (Augsburg), FRG |
| Schwachhausen (Bremen), FRG |
| Schwarz-Weiß (Bregenz), Austria |
| Schwarz-Weiß (Essen), FRG |
| Schwarz-Weiß II (Essen), FRG |
| Schwechat (Schwechat), Austria |
| Schwechater (Schwechat), Austria |
| Schweinfurt 05 (Schweinfurt), FRG |
| Schwenningen (Villingen-Schwenningen), FRG |
| Schweriner (Schwerin), GDR |
| Schwetzingen (Schwetzingen), FRG |
| Scibe (Mbandaka), Zaire |
| SCOM Mikishi (Lubumbashi), Zaire |
| Scotswood, England |
| Scouts Club (Port-Louis), Mauritius |
| Scunthorpe United (Scunthorpe), England |
| SD Family (Shymkent), Kazakhstan |
| SDYuShOR 7 (Shymkent), Kazakhstan |
| SDYuShOR 8 (Shymkent), Kazakhstan |
| SDYuShOR-3 (Pinsk), Belarus |
| SDYuShOR-8 (Gomel), Belarus |
| SDYuShOR-Metalurh (Zaporizhia), Ukraine |
| SDYuShOR-MTZ-Syabap (Minsk), Belarus |
| Seaford, England |
| Seaforth Albion, England |
| Seaham Albion, England |
| Seaham Colliery Welfare, England |
| Seaham Harbour, England |
| Seaham Red Star (Seaham), England |
| Seaham United, England |
| Seaham Villa, England |
| Seaham White Star, England |
| Seaton Delaval, England |
| Seattle Mitre Eagles (Port Orchard), USA |
| Seattle Sounders (Seattle), USA |
| Seattle Sounders (Seattle), USA |
| Security Systems (Otse), Botswana |
| Sedan (Sedan), France |
| Segesta (Sisak), Croatia |
| Seiko (Hong Kong), Hong Kong |
| Seixal (Seixal), Portugal |
| Sekhukhune United, South Africa |
| Sekondi Eleven Wise (Sekondi-Takoradi), Ghana |
| Sekondi Hasaacas (Sekondi-Takoradi), Ghana |
| Selangor (Shah Alam), Malaysia |
| Selbak (Fredrikstad), Norway |
| Selby Mizpah, England |
| Selby OCO, England |
| Selby Olympia, England |
| Selby Town (Selby), England |
| Selenga (Ulan-Ude), Russia |
| Selenga (Ulan-Ude), USSR |
| Selfoss (Selfoss), Iceland |
| Selkhozinstitut (Chisinau), USSR |
| Sellier & Bellot (Vlašim), Czech Republic |
| Selmash (Kharkov), USSR |
| Selmash (Kirovo), USSR |
| Selmash (Zaporozhye), USSR |
| Selmash-2 (Kharkov), USSR |
| Selmashevets (Chirchik), USSR |
| Selsey (Selsey), England |
| Selston (Selston), England |
| Semassi (Sokodé), Togo |
| Sembawang Rangers (Singapore), Singapore |
| Semen (Padang), Indonesia |
| Sementchi (Bekabad), USSR |
| Sementchi (Quvasoy), Uzbekistan |
| Semetey (Frunze), USSR |
| Semey-2 (Semey), Kazakhstan |
| Semurg (Andzhren), Uzbekistan |
| Senec (Senec), Slovakia |
| Senica (Senica), Slovakia |
| Seongnam (Seongnam), South Korea |
| Seoul (Seoul), South Korea |
| Sepahan (Esfahan), Iran |
| Sepsi (Sfântu Gheorghe), Romania |
| Septemvri (Sofia), Bulgaria |
| Séquence de Dixinn (Conakry), Guinea |
| SER Caxias (Caxias do Sul), Brazil |
| Seraing (Seraing), Belgium |
| Sergipe (Aracaju), Brazil |
| Serp i Molot (Kharkov), USSR |
| Serp i Molot (Moscow), Russia |
| Serp i Molot (Moscow), USSR |
| Serra (Serra), Brazil |
| Servette (Geneve), Switzerland |
| Servolyuks-Agro (Mezhisetki), Belarus |
| Sete (Sete), France |
| Sete de Setembro (Dourados), Brazil |
| Sevenoaks Town (Sevenoaks), England |
| Sever (Murmansk), Russia |
| Sever (Murmansk), USSR |
| Severalls Athletic, England |
| Sevilla (Sevilla), Spain |
| Sevojno (Sevojno), Serbia |
| Séwé Sports (San-Pédro), Côte d'Ivoire |
| Sfîntul Gheorghe (Suruceni), Moldova |
| SG 05 Pirmasens (Pirmasens), FRG |
| Shaanxi Guoli (Xi'an), China |
| Shabab Al Ahli (Dubai), UAE |
| Shabab Al Ordon Al Qadisiya (Zarqa), Jordan |
| Shabab Al-Dhahiriya (Dura), Palestine |
| Shabab Al-Khalil (Hebron), Palestine |
| Shabana FC (Kisii), Kenya |
| Shabanie Mine (Zvishavane), Zimbabwe |
| Shaddongate United, England |
| Shafa (Baku), Azerbaijan |
| Shaftesbury (Shaftesbury), England |
| Shaheen Asmayee (Kabul), Afghanistan |
| Shahin (Ahvaz), Iran |
| Shahr Khodrou (Mashhad), Iran |
| Shahrixonchi (Shahrixon), Uzbekistan |
| Shakhrikhanets (Shakhrikhan), USSR |
| Shakhtar (Donetsk), Ukraine |
| Shakhtar (Horlivka), Ukraine |
| Shakhtar (Konotop), Ukraine |
| Shakhtar (Lugansk), Ukraine |
| Shakhtar (Shakhtarsk), Ukraine |
| Shakhtar (Stahanov), Ukraine |
| Shakhtar (Sverdlovsk), Ukraine |
| Shakhtar-2 (Donetsk), Ukraine |
| Shakhtar-3 (Donetsk), Ukraine |
| Shakhtsyor (Salihorsk), Belarus |
| Shakhtyor (Aleksandria), USSR |
| Shakhtyor (Angren), USSR |
| Shakhtyor (Artyom), Russia |
| Shakhtyor (Artyom), USSR |
| Shakhtyor (Donetsk), USSR |
| Shakhtyor (Gorlovka), USSR |
| Shakhtyor (Karaganda), USSR |
| Shakhtyor (Karagandy), Kazakhstan |
| Shakhtyor (Kemerovo), USSR |
| Shakhtyor (Kirovsk), USSR |
| Shakhtyor (Kiselyovsk), USSR |
| Shakhtyor (Krasnograd), USSR |
| Shakhtyor (Krasny Luch), USSR |
| Shakhtyor (Kumertau), USSR |
| Shakhtyor (Kyzyl-Kiya), Kyrgyzstan |
| Shakhtyor (Leninsk-Kuznetskiy), USSR |
| Shakhtyor (Novovolynsk), USSR |
| Shakhtyor (Peshelan), Russia |
| Shakhtyor (Prokopievsk), Russia |
| Shakhtyor (Prokopyevsk), USSR |
| Shakhtyor (Shakhty), USSR |
| Shakhtyor (Stakhanov), USSR |
| Shakhtyor (Sverdlovsk), USSR |
| Shakhtyor (Torez), USSR |
| Shakhtyor (Yenakievo), USSR |
| Shakhtyor-Yunost (Karagandy), Kazakhstan |
| Shamkir (Shamkir), Azerbaijan |
| Shamrock Rovers (Dublin), Ireland |
| Shan United (Taunggyi), Myanmar |
| Shandong Taishan (Jinan), China |
| Shanghai Port (Shanghai), China |
| Shanghai Shenhua (Shanghai), China |
| Shanghai Shenxin (Shanghai), China |
| Shanghai United (Shanghai), China |
| Shankhouse, England |
| Shanklin & Lake, England |
| Sharjah (Sharjah), UAE |
| Sharpness, England |
| Shaw Lane AFC (Barnsley), England |
| Shawbury United (Shawbury), England |
| Sheepbridge Works, England |
| Sheerwater (Sheerwater), England |
| Sheffield (Sheffield), England |
| Sheffield Heeley, England |
| Sheffield Providence, England |
| Sheffield Simplex Works, England |
| Sheffield United (Sheffield), England |
| Sheffield Walkley, England |
| Sheffield Wednesday (Sheffield), England |
| Shefford Town (Shefford), England |
| Shefford Town & Campton (Shefford), England |
| Sheikh Jamal Dhanmondi (Dhaka), Bangladesh |
| Sheikh Russel (Dhaka), Bangladesh |
| Sheksna (Cherepovets), Russia |
| Shelbourne (Dublin), Ireland |
| Shelkovik (Naro-Fominsk), USSR |
| Shell (Ellesmere Port), England |
| Shell Mex, England |
| Shelley Community (Shelley), England |
| Shengavit (Yerevan), Armenia |
| Shenzhen (Shenzhen), China |
| Shepherds Bush, England |
| Sheppey United (Isle of Sheppey), England |
| Shepshed, England |
| Shepshed Albion, England |
| Shepshed Charterhouse FC (Shepshed), England |
| Shepshed Dynamo (Shepshed), England |
| Shepton Mallet (Shepton Mallet), England |
| Shepton Mallet Town, England |
| Sherborne, England |
| Sherborne Town (Sherborne), England |
| Sherdor (Samarkand), USSR |
| Sheriff (Tiraspol), Moldova |
| Sheringham, England |
| Sherstyanik (Moscow), USSR |
| Sherstyanik (Nevinnomysk), Russia |
| Sherstyanik (Nevinnomysk), USSR |
| Sherwood Colliery, England |
| Sherwood Colliery (Mansfield Woodhouse), England |
| Shevardeni (Tbilisi), USSR |
| Shevardeni-1906 (Tbilisi), Georgia |
| Shields Albion, England |
| Shifnal Town (Shifnal), England |
| Shilbottle Colliery Welfare, England |
| Shildon (Shildon), England |
| Shildon United, England |
| Shimizu S-Pulse (Shimizu), Japan |
| Shimshon (Tel Aviv), Israel |
| Shinnik (Yaroslavl), Russia |
| Shinnik (Yaroslavl), USSR |
| Shiphams, England |
| Shipka (Plovdiv), Bulgaria |
| Shipka (Sofia), Bulgaria |
| Shirak (Gyumri), Armenia |
| Shirak (Leninakan), USSR |
| Shirak-2 Gyumri (Gyumri), Armenia |
| Shirebrook, England |
| Shirebrook Athletic, England |
| Shirebrook Miners Welfare, England |
| Shirebrook Town (Shirebrook), England |
| Shirley Town, England |
| Shirvan (Kyurdamir), USSR |
| Shja'eya Union, Palestine |
| Shkëndija (Tetovo), North Macedonia |
| Shkupi (Skopje), North Macedonia |
| Shobnall Villa, England |
| Shoeburyness Garrison, England |
| Sholing (Southampton), England |
| Sholing Athletic, England |
| Sholing Sports, England |
| Shonan Bellmare (Hiratsuka), Japan |
| Shooting Stars (Ibadan), Nigeria |
| Shoreham (Shoreham-by-Sea), England |
| Shorts Sports, England |
| Shortwood United (Nailsworth), England |
| Shotton Colliery Welfare, England |
| Shotton Comrades, England |
| Shoʼrtan (Gʼuzor), Uzbekistan |
| Shredded Wheat, England |
| Shrewsbury Town (Shrewsbury), England |
| Shrewton United (Shrewton), England |
| Shrivenham (Shrivenham), England |
| Shropshire Wanderers (Shrewsbury), England |
| Shtorm (Leningrad), USSR |
| Shturm (Ivankiv), Ukraine |
| Shukura (Kobuleti), USSR |
| Shumen 2010 (Shumen), Bulgaria |
| ShVSM (Leningrad), USSR |
| ShVSM-1 (Leningrad), USSR |
| ShVSM-2 (Leningrad), USSR |
| ShVSM-Inkarnas (Kaunas), USSR |
| ShVSM-SKA (Kuybyshev), USSR |
| Sia-Raga (Port Vila), Vanuatu |
| Siarka (Tarnobrzeg), Poland |
| Šiauliai (Šiauliai), Lithuania |
| Šibenik (Šibenik), Croatia |
| Sibir (Kurgan), USSR |
| Sibir (Novosibirsk), Russia |
| Sibir (Usolye-Sibirskoye), USSR |
| Sibir-2 (Novosibirsk), Russia |
| Sibiryak (Bratsk), Russia |
| Sibiryak (Bratsk), USSR |
| SibOVV (Kemerovo), Russia |
| Sichuan Guancheng (Chengdu), China |
| Siderúrgica (Sabará), Brazil |
| Sidlesham, England |
| Sidley United (Sidley), England |
| Siegburger (Siegburg), FRG |
| Siemensstadt (Berlin), FRG |
| Siena (Siena), Italy |
| Sigara (Dar es Salaam), Tanzania |
| Sigma (Olomouc), Czech Republic |
| Sigma (Olomouc), Czechoslovakia |
| Signal (Chelyabinsk), USSR |
| Signal (Izobilnyi), USSR |
| Sigui (Kayes), Mali |
| Šilas (Kazlų Rūda), Lithuania |
| Sileks (Kratovo), North Macedonia |
| Siley Wier Athletic, England |
| Silkeborg (Silkeborg), Denmark |
| Silksworth Colliery Welfare, England |
| Silsden AFC (Silsden), England |
| Silures (Bobo Dioulasso), Upper Volta |
| Šilutė (Šilutė), Lithuania |
| Silver Strikers (Lilongwe), Malawi |
| Silverwood Colliery, England |
| Sily Club (Kindia), Guinea |
| Simba, Rwanda |
| Simba (Dar es Salaam), Tanzania |
| Simba FC (Lugazi), Uganda |
| Simmeringer (Simmering), Austria |
| Simurq (Zaqatala), Azerbaijan |
| Sing Tao (Hong Kong), Hong Kong |
| Singida Fountain Gate (Singida), Tanzania |
| Sinnamary (Sinnamary), French Guiana |
| Sinop Futebol Clube (Sinop), Brazil |
| Sint-Niklaas (Sint-Niklaas), Belgium |
| Sint-Truiden (Sint-Truiden), Belgium |
| Sinteza (Căuşeni), Moldova |
| Sinugba, Philippines |
| Siófok (Siófok), Hungary |
| Sion (Sion), Switzerland |
| Sion Hill, Saint Vincent and Grenadines |
| Sioni (Bolnisi), Georgia |
| Sirens (San Pawl il-Baħar), Malta |
| Sirijietis (Klaipėda), Lithuania |
| Sirius (Uppsala), Sweden |
| Sirocco, Trinidad and Tobago |
| Siroco (Les Abymes), Guadeloupe |
| Široki Brijeg (Široki Brijeg), Bosnia and Herzegovina |
| Şirvan (Kyurdamir), Azerbaijan |
| Şirvan (Shemakha), Azerbaijan |
| Širvinta (Vilkaviškis), Lithuania |
| Sisserou Strikers, Dominica |
| Sitall (Konstantinovka), USSR |
| SITHOC (Mahuma), Netherlands Antilles |
| Sitora (Dushanbe), Tajikistan |
| Sittardia (Sittard), Netherlands |
| Sittingbourne (Sittingbourne), England |
| Sittingbourne Paper Mills, England |
| Sivasspor (Sivas), Turkey |
| SJK (Seinäjoki), Finland |
| SK Bischofshofen (Bischofshofen), Austria |
| SK Kakhovka (Kakhovka), Ukraine |
| SK Poltava (Poltava), Ukraine |
| SKA (Chita), USSR |
| SKA (Khabarovsk), USSR |
| SKA (Kiev), USSR |
| SKA (Leningrad), USSR |
| SKA (Minsk), USSR |
| SKA (Novosibirsk), USSR |
| SKA (Odessa), USSR |
| SKA (Rostov-on-Don), Russia |
| SKA (Rostov-on-Don), USSR |
| SKA (Tbilisi), USSR |
| SKA (Yerevan), USSR |
| SKA Karpaty (Lvov), USSR |
| SKA Odesa (Odesa), Ukraine |
| SKA-Khabarovsk (Khabarovsk), Russia |
| SKA-Khabarovsk-2 (Khabarovsk), Russia |
| SKA-Lotto (Odesa), Ukraine |
| SKA-Orbita (Lviv), Ukraine |
| SKA-RShVSM (Tashkent Region), USSR |
| SKAD-Yalpuh (Bolhrad), Ukraine |
| SKAF (Minsk), Belarus |
| Skála (Skáli), Faroe Islands |
| Skala (Stryi), Ukraine |
| Skala 1911 (Stryi), Ukraine |
| Skallagrímur (Borgarnes), Iceland |
| Skat-5s (Yelabuga), Russia |
| SKBC, American Samoa |
| SKChF (Sevastopol), USSR |
| SKD (Samara), Russia |
| Skegness Town (Skegness), England |
| Skeid (Oslo), Norway |
| Skelmersdale United (Skelmersdale), England |
| Skënderbeu (Korçë), Albania |
| SKF (Leningrad), USSR |
| SKIF (Alma-Ata), USSR |
| SKIF (Moscow), USSR |
| SKIF (Yerevan), USSR |
| SKIF Ordabasy (Shymkent), Kazakhstan |
| Skify (Lviv), Ukraine |
| Skill (Bruxelles), Belgium |
| Skinnigrove Steel Works, England |
| Skinnigrove United, England |
| Skinnigrove Works, England |
| Skipton Town, England |
| Sklo Union (Teplice), Czechoslovakia |
| Skobelev Pobeda 39 (Pleven), Bulgaria |
| Škoda (Plzeň), Czechoslovakia |
| Skonto (Rīga), Latvia |
| Skonto-2 (Rīga), Latvia |
| Skoruk (Tomakivka), Ukraine |
| Skra (Częstochowa), Poland |
| SKVICh (Minsk), Belarus |
| Slade Green (London), England |
| Śląsk (Świętochłowice), Poland |
| Śląsk (Wroclaw), Poland |
| Slaven (Koprivnica), Croatia |
| Slavia (Burgas), Bulgaria |
| Slavia (Dupnitsa), Bulgaria |
| Slavia (Mozyr), Belarus |
| Slavia (Praha), Czech Republic |
| Slavia (Praha), Czechoslovakia |
| Slavia (Sofia), Bulgaria |
| Slavija (Istočno Sarajevo), Bosnia and Herzegovina |
| Slavija (Sarajevo), Yugoslavia |
| Slavija Vevče (Ljubljana), Slovenia |
| Slavyanin (Minsk), Belarus |
| Slavyansk (Slavyansk-na-Kubani), Russia |
| Slavyansky (Slavyansk-na-Kubani), Russia |
| Sleaford Town (Sleaford), England |
| Sleipner (Norrköping), Sweden |
| Sliema Wanderers (Sliema), Malta |
| Sligo Rovers (Sligo), Ireland |
| Slimbridge AFC (Slimbridge), England |
| Slipway (Wallsend), England |
| Sliven 2000 (Sliven), Bulgaria |
| Sloboda (Tuzla), Bosnia and Herzegovina |
| Sloboda (Tuzla), Yugoslavia |
| Sloboda (Užice), Serbia |
| Sloga Jugomagnat (Skopje), North Macedonia |
| Slonim City (Slonim), Belarus |
| Slonim-2017 (Slonim), Belarus |
| Slough Centre, England |
| Slough Town (Slough), England |
| Slough Trading Estate, England |
| Slovácko (Uherské Hradiště), Czech Republic |
| Slovan (Bratislava), Czechoslovakia |
| Slovan (Bratislava), Slovakia |
| Slovan (Liberec), Czech Republic |
| Slovan (Ljubljana), Slovenia |
| Slovan (Wien), Austria |
| Slovkhlib (Slovyansk), Ukraine |
| SM Nsanga Balende (Mbuji-Mayi), Congo |
| SM Nsanga Balende (Mbuji-Mayi), Zaire |
| Small Simba (Zanzibar), Tanzania |
| Šmartno (Šmartno ob Paki), Slovenia |
| Smederevo (Smederevo), Serbia |
| Smederevo (Smederevo), Serbia and Montenegro |
| Smena (Komsomolsk-na-Amure), Russia |
| Smena (Moscow), Russia |
| Smena-Zenit (Saint Petersburg), Russia |
| Smethwick Carriage Works, England |
| SMIautotrans (Smalyavichy), Belarus |
| Śmigły (Wilno), Poland |
| Smith's Dock, England |
| Smouha (Alexandria), Egypt |
| Snaiper (Kirov), USSR |
| Snaiper (Moscow), USSR |
| SNL (Paramaribo), Suriname |
| Snodland Town (Snodland), England |
| Snowdown Colliery Welfare, England |
| Snøgg (Notodden), Norway |
| SO de l'Armée (Yamoussoukro), Côte d'Ivoire |
| SOAR (Conakry), Guinea |
| Sobou (Lae), Papua New Guinea |
| Sobradinho (Sobradinho), Brazil |
| Soccer Universidad, USA |
| Sochaux-Montbéliard (Sochaux-Montbéliard), France |
| Sochi-04 (Sochi), Russia |
| Sociedade Esportiva Ariquemes (Ariquemes), Brazil |
| Sociedade Esportiva e Recreativa Chapadão (Chapadão do Sul), Brazil |
| Sociedade Esportiva e Recreativa Juventude (Primavera do Leste), Brazil |
| Sociedade Esportiva e Recreativa São José (Macapá), Brazil |
| Sociedade Esportiva Palmares (Porto Velho), Brazil |
| Sociedade Esportiva Picos (Picos), Brazil |
| Sociedade Esportiva Pontaporanense (Ponta Porã), Brazil |
| Sociedade Esportiva River Plate (Carmópolis), Brazil |
| Sociedade Esportiva União Cacoalense (Cacoal), Brazil |
| Sociedade Esportiva Vila Aurora (Rondonópolis), Brazil |
| Sociedade Imperatriz de Desportos (Imperatriz), Brazil |
| Sodiam Sports (Bangui), Central African Republic |
| Sodigraf (Kinshasa), Zaire |
| Sodovik (Sterlitamak), Russia |
| SOE Antananarivo (Antananarivo), Madagascar |
| Sofapaka (Nairobi), Kenya |
| Sogdiana (Dzhizak), USSR |
| Sogéa (Libreville), Gabon |
| Sogndal (Sogndal), Norway |
| Soham Rangers, England |
| Soham Town Rangers (Soham), England |
| Sokhibkor (Khalkabad), USSR |
| Sokhibkor (Yangiyul), USSR |
| Sokil (Lviv), Ukraine |
| Sokil (Zolochiv), Ukraine |
| Sokil-Orion (Velyki Hai), Ukraine |
| Sokol (Kazan), Russia |
| Sokol (Leningrad), USSR |
| Sokol (Likino-Dulyovo), USSR |
| Sokol (Sarapul), USSR |
| Sokol (Saratov), Russia |
| Sokol (Saratov), USSR |
| Sokol (Shumen), Bulgaria |
| Sokol (Tallin), USSR |
| Sokol-D (Saratov), Russia |
| Sokół (Pniewy), Poland |
| Sol de América (Asunción), Paraguay |
| Solaris (Moscow), Russia |
| Sölde (Dortmund), FRG |
| Solidarité Scolaire (Baie-Mahault), Guadeloupe |
| Solihull, England |
| Solihull Borough (Solihull), England |
| Solihull Moors (Solihull), England |
| Solin (Solin), Croatia |
| Solomon Warriors (Honiara), Solomon Islands |
| Solothurn (Solothurn), Switzerland |
| Somali Police (Mogadishu), Somalia |
| Somerset Rovers, England |
| Somerset Trojans (Somerset), Bermuda |
| Somersham Town, England |
| Somerton Amateurs, England |
| Somogy (Kaposvár), Hungary |
| SONABEL (Ouagadougou), Burkina Faso |
| Sonader Ksar (Nouakchott), Mauritania |
| Sonangol (Namibe), Angola |
| Sông Lam Nghệ An (Vinh), Vietnam |
| Songo (Songo), Mozambique |
| SONIDEP (Niamey), Niger |
| Sopron (Sopron), Hungary |
| Sopron (Sopron), Hungary |
| Sorriso Esporte Clube (Sorriso), Brazil |
| SORTEX (Budapest), Hungary |
| Sotra, Côte d'Ivoire |
| Soundwell, England |
| Sousa Esporte Clube (Sousa), Brazil |
| South Ashford Invicta, England |
| South Bank (Middlesbrough), England |
| South Bank East End, England |
| South Bank St Peters, England |
| South China (Hong Kong), Hong Kong |
| South Coast Wolves (Wollongong), Australia |
| South East (La Plaine), Dominica |
| South Farnborough Athletic, England |
| South Hetton Colliery Welfare, England |
| South Kirkby Colliery, England |
| South Kirkby United, England |
| South Liverpool (Liverpool), England |
| South Lynn, England |
| South Melbourne (Melbourne), Australia |
| South Normanton Athletic (South Normanton), England |
| South Normanton Colliery, England |
| South Normanton Miners Welfare, England |
| South Normanton Rangers, England |
| South Normanton St Michael's, England |
| South Norwood, England |
| South Park (Reigate), England |
| South Pontop Villa, England |
| South Reading, England |
| South Shields (South Shields), England |
| South Shields (South Shields), England |
| South Shields (South Shields), England |
| South Shields Albion, England |
| South Shields Athletic (South Shields), England |
| South Shields Corinthians, England |
| South Shields Ex-schoolboys, England |
| South Shields Parkside, England |
| South Shore, England |
| South Tooting, England |
| South Weald, England |
| South West Ham, England |
| Southall (London), England |
| Southall & Ealing Borough, England |
| Southall Town, England |
| Southam United (Southam), England |
| Southampton (Southampton), England |
| Southampton Cambridge, England |
| Southampton CS, England |
| Southend Amateurs, England |
| Southend Athletic, England |
| Southend Corinthians, England |
| Southend Manor (Southend-on-Sea), England |
| Southend United (Southend-on-Sea), England |
| Southern Rail (Brighton), England |
| Southern United, England |
| Southfield, England |
| Southill Park, England |
| Southport (Southport), England |
| Southport Leyland Road, England |
| Southport Park Villa, England |
| Southwick, England |
| Southwick (Southwick), England |
| Soyuz (Moscow), USSR |
| Soyuz-Gazprom (Izhevsk), Russia |
| Sozh (Krychaw), Belarus |
| Soʼgʼdiyona (Jizzax), Uzbekistan |
| Spaeri (Tbilisi), Georgia |
| SPAL (Ferrara), Italy |
| Spalding United (Spalding), England |
| Spandauer SV (Berlin), FRG |
| Sparta (Bremerhaven), FRG |
| Sparta (Praha), Czech Republic |
| Sparta (Praha), Czechoslovakia |
| Sparta (Rotterdam), Netherlands |
| Sparta (Sarpsborg), Norway |
| Sparta (Vaukavysk), Belarus |
| Spartacus (Nyíregyháza), Hungary |
| Spartak (Alma-Ata), USSR |
| Spartak (Anapa), USSR |
| Spartak (Dnepropetrovsk), USSR |
| Spartak (Gorkiy), USSR |
| Spartak (Gorno-Altaisk), Russia |
| Spartak (Hradec Králové), Czechoslovakia |
| Spartak (Ivano-Frankivsk), Ukraine |
| Spartak (Ivanovo), USSR |
| Spartak (Kazan), USSR |
| Spartak (Kharkov), USSR |
| Spartak (Kiev), USSR |
| Spartak (Korosten), USSR |
| Spartak (Kostroma), Russia |
| Spartak (Kostroma), USSR |
| Spartak (Kuybyshev), USSR |
| Spartak (Leningrad Region), USSR |
| Spartak (Lukhovitsy), USSR |
| Spartak (Lvov), USSR |
| Spartak (Melitopol), USSR |
| Spartak (Minsk), USSR |
| Spartak (Moscow), Russia |
| Spartak (Moscow), USSR |
| Spartak (Myjava), Slovakia |
| Spartak (Nalchik), USSR |
| Spartak (Nizhniy Novgorod), Russia |
| Spartak (Okhtyrka), Ukraine |
| Spartak (Omsk), USSR |
| Spartak (Oryol), USSR |
| Spartak (Petrozavodsk), USSR |
| Spartak (Ryazan), Russia |
| Spartak (Rybnoye), Russia |
| Spartak (Saransk), USSR |
| Spartak (Semipalatinsk), USSR |
| Spartak (Shchyolkovo), Russia |
| Spartak (Shklow), Belarus |
| Spartak (Slutsk), Belarus |
| Spartak (Sofia), Bulgaria |
| Spartak (Starobelsk), USSR |
| Spartak (Subotica), Serbia |
| Spartak (Subotica), Yugoslavia |
| Spartak (Sumy), Ukraine |
| Spartak (Sumy), USSR |
| Spartak (Tambov), Russia |
| Spartak (Tambov), USSR |
| Spartak (Tbilisi), USSR |
| Spartak (Termez), USSR |
| Spartak (Tolbukhin), Bulgaria |
| Spartak (Trnava), Czechoslovakia |
| Spartak (Trnava), Slovakia |
| Spartak (Tskhinvali), USSR |
| Spartak (Tuymazy), Russia |
| Spartak (Vladikavkaz), USSR |
| Spartak (Voronezh), USSR |
| Spartak (Yerevan), USSR |
| Spartak (Yoshkar-Ola), Russia |
| Spartak (reserves) (Moscow), USSR |
| Spartak 1918 (Varna), Bulgaria |
| Spartak Pleven (Pleven), Bulgaria |
| Spartak Plovdiv (Plovdiv), Bulgaria |
| Spartak Vladikavkaz (Vladikavkaz), Russia |
| Spartak-2 (Moscow), Russia |
| Spartak-2 (Moscow), USSR |
| Spartak-Arktikbank (Arkhangelsk), Russia |
| Spartak-Bratskiy (Yuzhnyi), Russia |
| Spartak-Chukotka (Moscow), Russia |
| Spartak-D (Nalchik), Russia |
| Spartak-MZK (Ryazan), Russia |
| Spartak-Nalchik (Nalchik), Russia |
| Spartak-Peresvet (Bryansk), Russia |
| Spartak-Telekom (Shuya), Russia |
| Spartak-Vladikavkaz ( Vladikavkaz), Russia |
| Spartaki (Tbilisi), Georgia |
| Spartaki-Tskhinvali (Tbilisi), Georgia |
| Spartaks (Jūrmala), Latvia |
| Spartanii (Selemet), Moldova |
| Spartans (Edinburgh), Scotland |
| SPC Helfort Wien (Wien), Austria |
| Speicher (Speicher), FRG |
| Spelthorne Sports (Spelthorne), England |
| Spen Black & White, England |
| Spencer Melksham, England |
| Spencer Moulton, England |
| Spennymoor, England |
| Spennymoor Town (Spennymoor), England |
| Spennymoor United (Spennymoor), England |
| Speranţa (Crihana Veche), Moldova |
| Speranţa (Nisporeni), Moldova |
| Sperantsa (Drokiya), USSR |
| Sperber (Hamburg), FRG |
| Speyer (Speyer), FRG |
| Spezia (Spezia), Italy |
| Spicul (Chișcăreni), Moldova |
| Spicul (Făleşti), Moldova |
| Spielberg (Spielberg), FRG |
| Spilsby, England |
| Spitak (Spitak), USSR |
| Spittal (Spittal an der Drau), Austria |
| Split (Split), Croatia |
| Spora (Luxembourg), Luxembourg |
| Sport (Belém), Brazil |
| Sport (Recife), Brazil |
| Sport (Tallin), USSR |
| Sport Ancash (Huaraz), Peru |
| Sport Bissau e Benfica (Bissau), Guinea-Bissau |
| Sport Boys (Callao), Peru |
| Sport Boys (Warnes), Bolivia |
| Sport Club Ulbra Ji-Paraná (Ji-Paraná), Brazil |
| Sport Huancayo (Huancayo), Peru |
| Sport Lisboa e Elvas (Elvas), Portugal |
| Sport Pédestre (Gent), Belgium |
| Sport Rosario (Huaraz), Peru |
| Sportakademklub (Moscow), Russia |
| Sportclub (Sofia), Bulgaria |
| Sportfreunde (Salzgitter), FRG |
| Sportfreunde (Schwäbisch Hall), FRG |
| Sportfreunde (Siegen), FRG |
| Sportfreunde 05 (Saarbrücken), FRG |
| Sportfreunde DJK (Freiburg), FRG |
| Sporting (Gijón), Spain |
| Sporting (Lisboa), Portugal |
| Sporting (Macau), Macau |
| Sporting (Praia Cruz), São Tomé and Príncipe |
| Sporting (San Miguelito), Panama |
| Sporting Bengal United (London), England |
| Sporting Club (Bruxelles), Belgium |
| Sporting Club Thamesmead (London), England |
| Sporting Clube do Príncipe (Príncipe), São Tomé and Príncipe |
| Sporting Colón (Ciudad de Colón), Panama |
| Sporting Cristal (Lima), Peru |
| Sporting de Bafatá (Bafatá), Guinea-Bissau |
| Sporting de Bissau (Bissau), Guinea-Bissau |
| Sporting Fingal (Dublin), Ireland |
| Sporting Kansas City (Kansas City), USA |
| Sporting Khalsa (Willenhall), England |
| Sporting Praia (Praia), Cape Verde |
| Sportinvest (Kryvyi Rih), Ukraine |
| Sportist (Sofia), Bulgaria |
| Sportist (Svoge), Bulgaria |
| Sportist (Vidin), Bulgaria |
| Sportivo Ameliano (Virgen del Huerto), Paraguay |
| Sportivo Desamparados (San Juan), Argentina |
| Sportivo Guzmán (San Miguel de Tucuman), Argentina |
| Sportivo Patria (Formosa), Argentina |
| Sportivo Trinidense (Asunción), Paraguay |
| Sportsman Rovers (Mexborough), England |
| Sportul (Bucureşti), Romania |
| Spumante (Cricova), Moldova |
| Sputnik (Kaluga), USSR |
| Sputnik (Kimry), Russia |
| Sputnik (Rechytsa), Belarus |
| Squires Gate (Squires Gate), England |
| Sriwijaya (Palembang), Indonesia |
| SS Saint-Louisienne (Saint-Louis), Réunion |
| SSW Innsbruck (Innsbruck), Austria |
| St Albans, England |
| St Albans Abbey, England |
| St Albans City (St Albans), England |
| St Andrews (Leicester), England |
| St Anthony's Institute, England |
| St Bart's Hospital, England |
| St Bernard's (Edinburgh), Scotland |
| St Blazey (St Blazey), England |
| St Cleopatra's Old Boys, England |
| St Cuthbert's, England |
| St Francis Rangers (Haywards Heath), England |
| St Frideswides (Oxford), England |
| St Helens, England |
| St Helens Recreation, England |
| St Helens Town (St Helens), England |
| St Helens United, England |
| St Ives Town (St Ives), England |
| St James, England |
| St Joseph`s (Gibraltar), Gibraltar |
| St Leonards, England |
| St Leonards, England |
| St Leonards Amateurs, England |
| St Leonards Stamcroft, England |
| St Luke's, England |
| St Margaretsbury (Stanstead Abbotts), England |
| St Mark's, England |
| St Neots St Mary, England |
| St Neots Town (St Neots), England |
| St Peter's Albion, England |
| St Peter's Institute, England |
| St Philips Athletic, England |
| St Philips Marsh Adult School, England |
| St Stephen's, England |
| St. Gallen (St. Gallen), Switzerland |
| St. Johnstone (Perth), Scotland |
| St. Louis City (St. Louis), USA |
| St. Mirren (Paisley), Scotland |
| St. Panteleimon (London), England |
| St. Patrick's (Dublin), Ireland |
| St. Paul's United (Saint Paul Capisterre), Saint Kitts and Nevis |
| St. Pölten (St. Pölten), Austria |
| St. Veit (Sankt Veit an der Glan), Austria |
| Staaken (Berlin), FRG |
| Stableford Works, England |
| Stabæk (Bekkestua), Norway |
| Stade Bandjoun (Bandjoun), Cameroon |
| Stade Centrafricain (Bangui), Central African Republic |
| Stade d'Abidjan (Abidjan), Côte d'Ivoire |
| Stade Français (Paris), France |
| Stade Gabèsien (Gabès), Tunisia |
| Stade Leuven (Leuven), Belgium |
| Stade Malien (Bamako), Mali |
| Stade Nyonnais (Nyon), Switzerland |
| Stade Renard de Melong, Cameroon |
| Stade Tunisien (Tunis), Tunisia |
| Stadlau (Wien), Austria |
| Stadler (Akasztó), Hungary |
| Stafford Rangers (Stafford), England |
| Stafford Road (Wolverhampton), England |
| Stafford Town (Stafford), England |
| Staffordshire Casuals, England |
| Stahl (Brandenburg), GDR |
| Stahl (Eisenhüttenstadt), GDR |
| Stahl (Riesa), GDR |
| Stahl (Thale), GDR |
| Staines Lagonda, England |
| Staines Lammas (Staines), England |
| Staines Town (Staines), England |
| Staithes United, England |
| Stakeford Albion, England |
| Stakhanovets (Artemovsk), USSR |
| Stakhanovets (Gorlovka), USSR |
| Stakhanovets (Krasnoarmeysk), USSR |
| Stakhanovets (Lisichansk), USSR |
| Stal (Alchevsk), Ukraine |
| Stal (Alchevsk), USSR |
| Stal (Cheboksary), USSR |
| Stal (Dnepropetrovsk), USSR |
| Stal (Kamianske), Ukraine |
| Stal (Krivoy Rog), USSR |
| Stal (Mielec), Poland |
| Stal (Rzeszów), Poland |
| Stal (Stalino), USSR |
| Stal (Stalowa Wola), Poland |
| Stal-2 (Alchevsk), Ukraine |
| Stalin Avtozavod (Moscow), USSR |
| Stalin Factory (Kramatorsk), USSR |
| Stalin Factory (Leningrad), USSR |
| Stalinets (Kharkov), USSR |
| Stalinets (Leningrad), USSR |
| Stalinets (Moscow), USSR |
| Stalinets-2 (Moscow), USSR |
| Stallion Laguna (Biñan), Philippines |
| Stalybridge Celtic (Stalybridge), England |
| Stalybridge Rovers (Stalybridge), England |
| Stamco, England |
| Stamford (Stamford), England |
| Standard (Liège), Belgium |
| Standard (Sumgayit), Azerbaijan |
| Standard Telephones, England |
| Stanles (Pinsk), Belarus |
| Stanley, England |
| Stanley United, England |
| Stanlow Social, England |
| Stansfeld (London), England |
| Stansted (Stansted Mountfitchet), England |
| Stanton Hill DS&S, England |
| Stanton Hill Victoria, England |
| Stanton Ironworks, England |
| Stanway Rovers (Stanway), England |
| Stapenhill (Burton upon Trent), England |
| Staple Hill, England |
| Stapleford Brookhill, England |
| Stapleford Town, England |
| Starlight Banjul (Banjul), Gambia |
| Start (Dzerzhinsk), USSR |
| Start (Kristiansand), Norway |
| Start (Miory), Belarus |
| Start (Moscow), USSR |
| Start (Tashkent), USSR |
| Start (Ulyanovsk), USSR |
| Start (Verkhnyaya Salda), USSR |
| Start (Yeysk), USSR |
| Starts (Brocēni), Latvia |
| Stationery Stores (Lagos), Nigeria |
| Stattena (Helsingborg), Sweden |
| StavAgrosoyuz (Stavropol Krai), Russia |
| Stavanger (Stavanger), Norway |
| Staveley, England |
| Staveley Miners Welfare (Staveley), England |
| Staveley Town, England |
| Staveley Welfare, England |
| Stavropolye-2009 (Stavropol), Russia |
| Steaua (Chişinău), Moldova |
| Steel, Peech & Tozer, England |
| Steinhagen (Steinhagen), FRG |
| Steinkjer (Steinkjer), Norway |
| Steklar (Rogaška Slatina), Slovenia |
| Stelingen (Garbsen), FRG |
| Stella Club d'Adjamé (Abidjan), Côte d'Ivoire |
| Stenhousemuir (Stenhousemuir), Scotland |
| Sterkrade (Oberhausen), FRG |
| Sterling Athletic, England |
| Steve Biko (Bakau), Gambia |
| Stevenage (Stevenage), England |
| Stevenage Athletic, England |
| Stevenage Town, England |
| Stewartby Works, England |
| Stewarts & Lloyds Corby (Corby), England |
| Steyning, England |
| Steyning Town (Steyning), England |
| Stirling Albion (Stirling), Scotland |
| Stjarnan (Garðabær), Iceland |
| Stockerau (Stockerau), Austria |
| Stockport County (Stockport), England |
| Stockport Sports (Stockport), England |
| Stockport Town (Stockport), England |
| Stocksbridge Church, England |
| Stocksbridge Park Steels (Stocksbridge), England |
| Stocksbridge Works, England |
| Stockton (Stockton-on-Tees), England |
| Stockton Heath, England |
| Stockton Malleable Institute, England |
| Stockton Shamrocks, England |
| Stockton St John's, England |
| Stockton Town (Stockton-on-Tees), England |
| Stoke City (Stoke-on-Trent), England |
| Stoke United, England |
| Stokenchurch, England |
| Stokesley (Stokesley), England |
| Stolitsa (Moscow), Russia |
| Stomil (Olsztyn), Poland |
| Stone Dominoes (Stone), England |
| Stone Old Alleynians (Stone), England |
| Stonehouse, England |
| Stoneycroft, England |
| Stork, England |
| Stork (Purfleet), England |
| Storm (Skien), Norway |
| Stotfold (Stotfold), England |
| Stourbridge (Stourbridge), England |
| Stourport Swifts (Stourport-on-Severn), England |
| Stourton United, England |
| Stowmarket Town (Stowmarket), England |
| Stranraer (Stranraer), Scotland |
| Strasbourg (Strasbourg), France |
| Stratford Town (Stratford-upon-Avon), England |
| Streatham Town, England |
| Street (Street), England |
| Strela (Sverdlovsk), USSR |
| Strela (Voronezh), USSR |
| Streymur (Streymnes), Faroe Islands |
| Strikers, Cayman Islands |
| Strindheim (Trondheim), Norway |
| Stroitel (Baku), USSR |
| Stroitel (Beltsy), USSR |
| Stroitel (Birobidzhan), USSR |
| Stroitel (Dneprodzerzhinsk), USSR |
| Stroitel (Dulevo), USSR |
| Stroitel (Dzhalalabad), USSR |
| Stroitel (Kamensk-Shakhtinsky), Russia |
| Stroitel (Kansk), USSR |
| Stroitel (Khabarovsk), USSR |
| Stroitel (Kopyl), Belarus |
| Stroitel (Krivoy Rog), USSR |
| Stroitel (Morshansk), Russia |
| Stroitel (Pervomaisk), USSR |
| Stroitel (Rudny), USSR |
| Stroitel (Sabirabad), USSR |
| Stroitel (Sochi), USSR |
| Stroitel (Sofia), Bulgaria |
| Stroitel (Syktyvkar), USSR |
| Stroitel (Ternopol), USSR |
| Stroitel (Vitebsk), Belarus |
| Stroitel (Yerevan), USSR |
| Stroitel Vostoka (Novosibirsk), USSR |
| Stroitel Vostoka (Sverdlovsk), USSR |
| Stroiteli (Baku), USSR |
| Struck (Remscheid), FRG |
| Struga (Struga), North Macedonia |
| Strumska slava (Radomir), Bulgaria |
| Strzelec (Siedlce), Poland |
| Strzelec (Wilno), Poland |
| Strømmen (Strømmen), Norway |
| Strømsgodset (Drammen), Norway |
| STsOP (Kislovodsk), Russia |
| Stubborn Youth, Saint Vincent and Grenadines |
| Studley (Studley), England |
| Stumbras (Kaunas), Lithuania |
| Stupino team (Stupino), USSR |
| Sturm (Graz), Austria |
| Stuttgart (Stuttgart), FRG |
| Stuttgart (Stuttgart), Germany |
| Stuttgart II (Stuttgart), FRG |
| Stuttgarter Kickers (Stuttgart), FRG |
| Stuttgarter Kickers (Stuttgart), Germany |
| Subingen (Subingen), Switzerland |
| SUBT (Willemstad), Netherlands Antilles |
| Suchitepéquez (Mazatenango), Guatemala |
| Sucoma Chikwawa (Chikwawa), Malawi |
| Sud América (Montevideo), Uruguay |
| Sudbury Town (Sudbury), England |
| Sudbury Wanderers (Sudbury), England |
| Sudnobudivnyk (Mykolaiv), Ukraine |
| Südost (Berlin), FRG |
| Sudostroitel (Astrahan), USSR |
| Sudostroitel (Kaspiysk), USSR |
| Sudostroitel (Leningrad), USSR |
| Sudostroitel (Nikolaev), USSR |
| Sudostroitel (Sormovo), USSR |
| Südring (Berlin), FRG |
| Sūduva (Marijampole), Lithuania |
| Südwest (Ludwigshafen am Rhein), FRG |
| Südwest (Nürnberg), FRG |
| Suhopolje (Suhopolje), Croatia |
| Sukhothai (Sukhothai), Thailand |
| Sul América Esporte Clube (Manaus), Brazil |
| Sulori (Vani), Georgia |
| Sulori (Vani), USSR |
| Summerstown, England |
| Sumqayıt (Sumgayit), Azerbaijan |
| Sun Hei (Hong Kong), Hong Kong |
| Sun Sports (Watford), England |
| Sunbeam, England |
| Sunderland (Sunderland), England |
| Sunderland Albion (Sunderland), England |
| Sunderland Black Watch, England |
| Sunderland Nissan (Sunderland), England |
| Sunderland RCA (Sunderland), England |
| Sunderland Rovers, England |
| Sunderland Royal Rovers, England |
| Sunderland West End, England |
| Sundsvall (Sundsvall), Sweden |
| Sunniside Rangers, England |
| Sunshine George Cross (Melbourne), Australia |
| Sunshine SC (Victoria), Seychelles |
| Sunshine Stars (Akure), Nigeria |
| Sunzha (Groznyi), USSR |
| Super ESCOM (Blantyre), Malawi |
| Super Magic Brothers (Victoria), Seychelles |
| Super Nova (Salaspils), Latvia |
| SuperSport United (Pretoria), South Africa |
| Sur (Sur), Oman |
| Surbiton Hill, England |
| Surbiton Town, England |
| Surkhan (Surkhan), USSR |
| Surkhan (Termez), USSR |
| Surkhon (Termiz), Uzbekistan |
| Surozh (Sudak), Ukraine |
| Surrey Wanderers, England |
| Sutjeska (Nikšić), Montenegro |
| Sutjeska (Nikšić), Serbia and Montenegro |
| Sutton (Hull), England |
| Sutton Athletic (Sutton-at-Hone), England |
| Sutton Coldfield Town (Sutton Coldfield), England |
| Sutton Common Rovers (Sutton), England |
| Sutton Court, England |
| Sutton Junction, England |
| Sutton Town (Sutton-in-Ashfield), England |
| Sutton United (Sutton), England |
| Suttons, England |
| Suva (Suva), Fiji |
| Suwon Samsung Bluewings (Suwon), South Korea |
| SV Memmelsdorf/Ufr (Untermerzbach), FRG |
| Svay Rieng (Svay Rieng), Cambodia |
| Sveikata (Kybartai), Lithuania |
| Sverdlovets (Tashkent Region), USSR |
| Svetkavitsa (Targovishte), Bulgaria |
| Svetlana (Leningrad), USSR |
| Svetogorets (Svetogorsk), Russia |
| Svetoslav (Stara Zagora), Bulgaria |
| Svetotechnika (Saransk), USSR |
| Svoboda (Ljubljana), Slovenia |
| SVV (Schiedam), Netherlands |
| SWA Sharks (Providenciales), Turks and Caicos Islands |
| Swadlincote, England |
| Swaffham Town (Swaffham), England |
| Swaine Hill United, England |
| Swallwell Axwell Rovers, England |
| Swanage Town, England |
| Swanage Town & Herston, England |
| Swanley Athletic, England |
| Swanscombe, England |
| Swansea City (Swansea), Wales |
| Swarovski Tirol (Innsbruck), Austria |
| Swift Hesperange (Hesperange), Luxembourg |
| Swifts (Slough), England |
| Swindon Amateurs, England |
| Swindon British Rail, England |
| Swindon Corinthians, England |
| Swindon GWR Corinthians, England |
| Swindon Supermarine (Swindon), England |
| Swindon Town (Swindon), England |
| Swindon Victoria, England |
| Swinton Town, England |
| Świt (Nowy Dwór Mazowiecki), Poland |
| Sydney (Sydney), Australia |
| Sydney Hakoah (Sydney), Australia |
| Sydney Olympic (Sydney), Australia |
| Sydney United (Sydney), Australia |
| Symingtons Recreation, England |
| Syrianska (Sodertalje), Sweden |
| System 3, Saint Vincent and Grenadines |
| Syzran-2003 (Syzran), Russia |
| Szczakowianka (Jaworzno), Poland |
| Szeged LK (Szeged), Hungary |
| Szegedi Egyetemi (Szeged), Hungary |
| Szegedi VSE (Szeged), Hungary |
| Székesfehérvár (Székesfehérvár), Hungary |
| Szentlőrinc (Budapest), Hungary |
| Szolnok (Szolnok), Hungary |
| Szombathely (Szombathely), Hungary |
| Szombierki (Bytom), Poland |
| Szürketaxi (Budapest), Hungary |
| SønderjyskE (Haderslev), Denmark |
| Səbail (Bakı), Azerbaijan |