FA Cup 2023/24, Extra Preliminary Round |
 | 04.08.2023 |  | Thetford Town | – | Newmarket Town | | 1:2 (1:1) |
| Blofield |
FA Cup 2022/23, Extra Preliminary Round |
| 09.08.2022 | | Soham Town Rangers | – | Thetford Town | | 2:0 (1:0) * |
| Soham |
FA Cup 2021/22, Extra Preliminary Round |
| 07.08.2021 | | Arlesey Town | – | Thetford Town | | 4:3 (1:1) |
| Arlesey |
FA Cup 2020/21, Preliminary Round |
| 12.09.2020 | | Thetford Town | – | Potton United | | 0:2 |
| Blofield |
FA Cup 2019/20, Extra Preliminary Round |
| 10.08.2019 | | Thetford Town | – | Rothwell Corinthians | | 0:1 (0:1) |
| Blofield |
FA Cup 2018/19, Preliminary Round |
| 24.08.2018 | | Thetford Town | – | Godmanchester Rovers | | 0:5 (0:3) |
| Blofield |
FA Cup 2017/18, Extra Preliminary Round |
| 05.08.2017 | | Eynesbury Rovers | – | Thetford Town | | 3:2 |
| St Neots |
FA Cup 2016/17, Extra Preliminary Round |
| 06.08.2016 | | Harrowby United | – | Thetford Town | | 2:1 |
| Grantham |
FA Cup 2015/16, Preliminary Round |
| 30.08.2015 | | Thetford Town | – | Bury Town | | 3:5 (3:5) |
| Blofield |
FA Cup 2014/15, Preliminary Round |
| 29.08.2014 | | Thetford Town | – | Norwich United | | 0:3 |
| Thetford |
FA Cup 2013/14, Preliminary Round |
| 31.08.2013 | | Gorleston | – | Thetford Town | | 4:1 |
| Gorleston |
FA Cup 2012/13, Extra Preliminary Round |
| 11.08.2012 | | Godmanchester Rovers | – | Thetford Town | | 2:1 |
| |
FA Cup 2011/12, Extra Preliminary Round |
| 19.08.2011 | | Walsham-le-Willows | – | Thetford Town | | 3:1 |
| |
FA Cup 2010/11, Extra Preliminary Round |
| 17.08.2010 | | Thetford Town | – | Whitton United | | 0:2 * |
| |
FA Cup 2008/09, Extra Preliminary Round |
| 15.08.2008 | | Thetford Town | – | Needham Market | | 0:1 |
| |
FA Cup 1991/92, First Qualifying Round |
| | | Thetford Town | – | St Albans City | | 0:2 |
| |
FA Cup 1988/89, Preliminary Round |
| | | Harlow Town | – | Thetford Town | | 4:1 * |
| |
FA Cup 1983/84, First Qualifying Round |
| | | Billericay Town | – | Thetford Town | | 3:0 |
| |
FA Cup 1982/83, Preliminary Round |
| | | Heybridge Swifts | – | Thetford Town | | 1:0 |
| |
FA Cup 1981/82, First Qualifying Round |
| | | Thetford Town | – | King's Lynn | | 0:1 * |
| |
FA Cup 1980/81, Preliminary Round |
| | | St Neots Town | – | Thetford Town | | 3:1 |
| |
FA Cup 1979/80, First Qualifying Round |
| | | Thetford Town | – | Wisbech Town | | 1:2 |
| |
FA Cup 1978/79, First Qualifying Round |
| | | Thetford Town | – | Gorleston | | 1:5 |
| |
FA Cup 1977/78, First Qualifying Round |
| | | St Neots Town | – | Thetford Town | | 2:1 |
| |
FA Cup 1976/77, Preliminary Round |
| | | Harwich & Parkeston | – | Thetford Town | | 4:2 |
| |
FA Cup 1975/76, Second Qualifying Round |
| | | Stamford | – | Thetford Town | | 2:0 |
| |
FA Cup 1974/75, First Qualifying Round |
| | | Bury Town | – | Thetford Town | | 4:1 |
| |
FA Cup 1973/74, Second Qualifying Round |
| | | Wisbech Town | – | Thetford Town | | 3:1 |
| |
FA Cup 1972/73, Second Qualifying Round |
| | | Ely City | – | Thetford Town | | 2:0 |
| |
FA Cup 1971/72, Second Qualifying Round |
| | | Harwich & Parkeston | – | Thetford Town | | 1:0 * |
| |
FA Cup 1970/71, Second Qualifying Round |
| | | Clacton Town | – | Thetford Town | | 2:0 |
| |
FA Cup 1969/70, First Qualifying Round |
| | | Clacton Town | – | Thetford Town | | 2:1 |
| |
FA Cup 1968/69, First Qualifying Round |
| | | Clacton Town | – | Thetford Town | | 4:2 |
| |
FA Cup 1967/68, Preliminary Round |
| | | Sudbury Town | – | Thetford Town | | 2:0 * |
| |
FA Cup 1965/66, First Qualifying Round |
| | | Lowestoft Town | – | Thetford Town | | 10:2 |
| |
FA Cup 1959/60, First Qualifying Round |
| | | Thetford Town | – | Great Yarmouth Town | | 2:4 |
| |
FA Cup 1958/59, First Qualifying Round |
| | | Thetford Town | – | Great Yarmouth Town | | 4:5 * |
| |
FA Cup 1957/58, Preliminary Round |
| | | March Town United | – | Thetford Town | | 3:1 |
| |
FA Cup 1956/57, First Qualifying Round |
| | | Thetford Town | – | Cambridge City | | 0:2 |
| |
FA Cup 1955/56, First Qualifying Round |
| | | Ely City | – | Thetford Town | | 4:3 |
| |
FA Cup 1954/55, Second Qualifying Round |
| | | Thetford Town | – | March Town United | | 0:3 |
| |
FA Cup 1952/53, First Qualifying Round |
| | | Stowmarket | – | Thetford Town | | 4:0 |
| |
FA Cup 1951/52, First Qualifying Round |
| | | Lowestoft Town | – | Thetford Town | | 5:0 * |
| |
FA Cup 1950/51, First Qualifying Round |
| | | Stowmarket Corinthians | – | Thetford Town | | 5:0 |
| |
