UEFA Champions League 2022/23, Second qualifying round |
 | 20.07.2022 | | Maccabi Haifa | – | Olympiakós Pireus | | 1:1 (0:1) |
| Haifa |
UEFA Champions League 2021/22, Third qualifying round |
| 10.08.2021 | | Ludogorets | – | Olympiakós | | 2:2 aet
(0:1, 2:2),
pen. 4:1 |
| Razgrad |
UEFA Champions League 2021/22, Third qualifying round |
| 03.08.2021 | | Olympiakós | – | Ludogorets | | 1:1 (0:0) |
| Piraeus |
UEFA Champions League 2020/21, Play-off Round |
| 29.09.2020 | | Omonia | – | Olympiakós Pireus | | 0:0 * |
| Nicosia |
UEFA Champions League 2019/20, Group B |
| 18.09.2019 | | Olympiakós | – | Tottenham Hotspur | | 2:2 (1:2) |
| Piraeus |
UEFA Champions League 2019/20, Second qualifying round |
| 23.07.2019 | | Viktoria Plzeň | – | Olympiakós | | 0:0 |
| Plzeň |
UEFA Champions League 2017/18, Group D |
| 31.10.2017 | | Olympiakós | – | Barcelona | | 0:0 |
| Piraeus |
UEFA Champions League 2017/18, Third qualifying round |
| 02.08.2017 | | Olympiakós | – | Partizan | | 2:2 (1:1) |
| Piraeus |
UEFA Champions League 2016/17, Third qualifying round |
| 27.07.2016 | | Olympiakós | – | Hapoel Be'er Sheva | | 0:0 |
| Piraeus |
UEFA Champions League 2013/14, Group C |
| 23.10.2013 | | Benfica | – | Olympiakós | | 1:1 (0:1) |
 | Lisboa |
UEFA Champions League 2009/10, Group H |
| 24.11.2009 | | AZ | – | Olympiakós Pireus | | 0:0 |
| Alkmaar |
UEFA Champions League 2007/08, 1/8 finals |
| 19.02.2008 | | Olympiakós Pireus | – | Chelsea | | 0:0 |
| Piraeus |
UEFA Champions League 2007/08, Group C |
| 06.11.2007 | | Olympiakós Pireus | – | Real Madrid | | 0:0 |
| Piraeus |
UEFA Champions League 2007/08, Group C |
| 18.09.2007 | | Olympiakós Pireus | – | Lazio | | 1:1 (0:0) |
| Piraeus |
UEFA Champions League 2006/07, Group D |
| 05.12.2006 | | Olympiakós Pireus | – | Shahtar Donetsk | | 1:1 (0:1) |
| Piraeus |
UEFA Champions League 2006/07, Group D |
| 31.10.2006 | | Roma | – | Olympiakós Pireus | | 1:1 (0:1) |
| Roma |
UEFA Champions League 2006/07, Group D |
| 27.09.2006 | | Shahtar Donetsk | – | Olympiakós Pireus | | 2:2 (1:1) |
| Donetsk |
UEFA Champions League 2005/06, Group F |
| 23.11.2005 | | Rosenborg | – | Olympiakós Pireus | | 1:1 (0:1) |
| Trondheim |
UEFA Champions League 2004/05, Group A |
| 15.09.2004 | | Deportivo La Coruna | – | Olympiakós Pireus | | 0:0 |
| La Coruña |
UEFA Champions League 2003/04, Group D |
| 25.11.2003 | | Olympiakós Pireus | – | Real Sociedad | | 2:2 (0:1) |
| Piraeus |
UEFA Champions League 2002/03, Group stage 1, group F |
| 13.11.2002 | | Olympiakós Pireus | – | Maccabi Haifa | | 3:3 (1:3) |
| Piraeus |
UEFA Champions League 2001/02, Group stage 1, group G |
| 31.10.2001 | | Olympiakós Pireus | – | Deportivo La Coruna | | 1:1 (0:0) |
| Athens |
UEFA Champions League 2001/02, Group stage 1, group G |
| 18.09.2001 | | Deportivo La Coruna | – | Olympiakós Pireus | | 2:2 (1:0) |
| La Coruña |
UEFA Champions League 1999/00, Group stage 1, group E |
| 15.09.1999 | | Olympiakós Pireus | – | Real Madrid | | 3:3 (1:2) |
| Athens |
UEFA Champions League 1998/99, Quarterfinal |
| 17.03.1999 | | Olympiakós Pireus | – | Juventus | | 1:1 (1:0) |
| Athens |
UEFA Champions League 1998/99, Group A |
| 09.12.1998 | | Croatia | – | Olympiakós Pireus | | 1:1 (1:0) |
| Zagreb |
UEFA Champions League 1998/99, Group A |
| 16.09.1998 | | Porto | – | Olympiakós Pireus | | 2:2 (0:0) |
| Porto |
UEFA Champions League 1997/98, Group D |
| 10.12.1997 | | Olympiakós Pireus | – | Rosenborg | | 2:2 (0:0) |
| Athens |
UEFA Champions League 1997/98, Group D |
| 05.11.1997 | | Olympiakós Pireus | – | Real Madrid | | 0:0 |
| Athens |
UEFA Champions League 1997/98, Second qualifying round |
| 27.08.1997 | | MPKC | – | Olympiakós Pireus | | 2:2 (2:1) |
| Mazyr |
UEFA European Champions' Cup 1987/88, 1/16 finals |
| 16.09.1987 | | Olympiakós Pireus | – | Górnik | | 1:1 (1:1) |
| Athens |
UEFA European Champions' Cup 1983/84, 1/16 finals |
| 14.09.1983 | | Ajax | – | Olympiakós Pireus | | 0:0 |
| Amsterdam |
UEFA European Champions' Cup 1975/76, 1/16 finals |
| 17.09.1975 | | Olympiakós Pireus | – | Dynamo Kiev | | 2:2 (1:2) |
| Thessaloniki |
UEFA European Champions' Cup 1974/75, 1/16 finals |
| 18.09.1974 | | Celtic | – | Olympiakós Pireus | | 1:1 (0:1) |
| Glasgow |
UEFA European Champions' Cup 1967/68, 1/16 finals |
| 20.09.1967 | | Olympiakós Pireus | – | Juventus | | 0:0 |
| Piraeus |
UEFA European Champions' Cup 1959/60, Preliminary Round |
| 13.09.1959 | | Olympiakós Pireus | – | Milan | | 2:2 (2:1) |
| Piraeus |
Ukraine
Azerbaijan
Armenia
Kazakhstan
Moldova
Austria
England
Belgium
Bulgaria
Hungary
Germany
Netherlands
Georgia
Spain
Italy
Latvia
Norway
Poland
Portugal
Serbia
Slovenia
France
Croatia
Montenegro
Czech
Sweden
Scotland
Argentina
Canada
China
Australia
