FA Cup 2023/24, First Round Proper |
 | 04.11.2023 | | Shrewsbury Town | – | Colchester United | | 3:2 (1:1) |
| Shrewsbury |
FA Cup 2022/23, First Round Proper |
| 05.11.2022 | | Newport County | – | Colchester United | | 2:0 (1:0) |
| Newport |
FA Cup 2021/22, Second Round Proper |
| 05.12.2021 | | Colchester United | – | Wigan Athletic | | 1:2 (1:1) |
| Colchester |
FA Cup 2019/20, First Round Proper |
| 09.11.2019 | | Colchester United | – | Coventry City | | 0:2 (0:2) |
| Colchester |
FA Cup 2018/19, First Round Proper |
| 10.11.2018 | | Accrington Stanley | – | Colchester United | | 1:0 (1:0) |
| Accrington |
FA Cup 2017/18, First Round Proper |
| 04.11.2017 | | Colchester United | – | Oxford City | | 0:1 (0:0) |
| Colchester |
FA Cup 2016/17, First Round Proper |
| 05.11.2016 | | Colchester United | – | Chesterfield | | 1:2 (0:1) |
| Colchester |
FA Cup 2015/16, Fourth Round Proper |
| 30.01.2016 | | Colchester United | – | Tottenham Hotspur | | 1:4 (0:1) |
| Colchester |
FA Cup 2014/15, Third Round Proper |
| 02.01.2015 | | Cardiff City | – | Colchester United | | 3:1 (1:0) |
| Cardiff |
FA Cup 2013/14, First Round Proper |
| 09.11.2013 | | Colchester United | – | Sheffield United | | 2:3 (0:2) |
| Colchester |
FA Cup 2012/13, First Round Proper |
| 03.11.2012 | | Chelmsford City | – | Colchester United | | 3:1 (1:0) |
| Chelmsford |
FA Cup 2011/12, Second Round Proper |
| 03.12.2011 | | Colchester United | – | Swindon Town | | 0:1 (0:0) |
| Colchester |
FA Cup 2010/11, Third Round Proper |
| 08.01.2011 | | Swansea City | – | Colchester United | | 4:0 (2:0) |
| Swansea |
FA Cup 2009/10, Third Round Proper |
| 02.01.2010 | | Preston North End | – | Colchester United | | 7:0 (2:0) |
| Preston |
FA Cup 2008/09, First Round Proper |
| 08.11.2008 | | Colchester United | – | Leyton Orient | | 0:1 (0:0) |
| Colchester |
FA Cup 2007/08, Third Round Proper |
| 05.01.2008 | | Colchester United | – | Peterborough United | | 1:3 (1:1) |
| Colchester |
FA Cup 2006/07, Third Round Proper |
| 09.01.2007 | | Barnet | – | Colchester United | | 2:1 (0:1) |
| London |
FA Cup 2005/06, Fifth Round Proper |
| 19.02.2006 | | Chelsea | – | Colchester United | | 3:1 (1:1) |
| London |
FA Cup 2004/05, Fourth Round Proper |
| 29.01.2005 | | Blackburn Rovers | – | Colchester United | | 3:0 (2:0) |
| Blackburn |
FA Cup 2003/04, Fifth Round Proper |
| 15.02.2004 | | Sheffield United | – | Colchester United | | 1:0 (0:0) |
| Sheffield |
FA Cup 2002/03, First Round Proper |
| 16.11.2002 | | Colchester United | – | Chester City | | 0:1 (0:0) |
| Colchester |
FA Cup 2000/01, First Round Proper |
| 18.11.2000 | | Yeovil Town | – | Colchester United | | 5:1 (0:0) |
| Yeovil |
FA Cup 1999/00, First Round Proper |
| 30.10.1999 | | Swansea City | – | Colchester United | | 2:1 (0:0) |
| Swansea |
FA Cup 1998/99, First Round Proper |
| 14.11.1998 | | Bedlington Terriers | – | Colchester United | | 4:1 (2:0) |
| |
FA Cup 1996/97, First Round Proper |
| 16.11.1996 | | Colchester United | – | Wycombe Wanderers | | 1:2 (0:1) |
| Colchester |
FA Cup 1995/96, First Round Proper |
| 11.11.1995 | | Gravesend & Northfleet | – | Colchester United | | 2:0 (0:0) |
| Northfleet |
FA Cup 1994/95, Third Round Proper |
| 07.01.1995 | | Wimbledon | – | Colchester United | | 1:0 (1:0) |
| London |
FA Cup 1993/94, First Round Proper |
| 13.11.1993 | | Colchester United | – | Sutton United | | 3:4 (1:2) |
| Colchester |
FA Cup 1992/93, Second Round Proper |
| 16.12.1992 | | Colchester United | – | Gillingham | | 2:3 (0:3) * |
| Colchester |
FA Cup 1990/91, Second Round Proper |
| 17.12.1990 | | Leyton Orient | – | Colchester United | | 4:1 * |
| London |
FA Cup 1989/90, Second Round Proper |
| 09.12.1989 | | Colchester United | – | Birmingham City | | 0:2 |
| Colchester |
FA Cup 1988/89, Fourth Round Proper |
| 31.01.1989 | | Colchester United | – | Sheffield United | | 0:2 (0:1) * |
| Colchester |
FA Cup 1987/88, Third Round Proper |
| 11.01.1988 | | Plymouth Argyle | – | Colchester United | | 2:0 (2:0) |
| Plymouth |
FA Cup 1986/87, Second Round Proper |
| 06.12.1986 | | Aldershot | – | Colchester United | | 3:2 (2:1) |
| Aldershot |
FA Cup 1985/86, First Round Proper |
| 16.11.1985 | | Wycombe Wanderers | – | Colchester United | | 2:0 |
| |
FA Cup 1984/85, Second Round Proper |
| 08.12.1984 | | Colchester United | – | Gillingham | | 0:5 |
| |
FA Cup 1983/84, Third Round Proper |
| 07.01.1984 | | Colchester United | – | Charlton Athletic | | 0:1 |
| |
FA Cup 1982/83, First Round Proper |
| 20.11.1982 | | Colchester United | – | Torquay United | | 0:2 |
| |
FA Cup 1981/82, Third Round Proper |
| 18.01.1982 | | Colchester United | – | Newcastle United | | 3:4 * |
| |
FA Cup 1980/81, Third Round Proper |
| 03.01.1981 | | Colchester United | – | Watford | | 0:1 |
| |
FA Cup 1979/80, Third Round Proper |
| 05.01.1980 | | Reading | – | Colchester United | | 2:0 |
| |
FA Cup 1978/79, Fifth Round Proper |
| 20.02.1979 | | Colchester United | – | Manchester United | | 0:1 |
| |
FA Cup 1977/78, Second Round Proper |
| 17.12.1977 | | Watford | – | Colchester United | | 2:0 |
| |
FA Cup 1976/77, Fourth Round Proper |
| 02.02.1977 | | Derby County | – | Colchester United | | 1:0 * |
| Derby |
FA Cup 1975/76, First Round Proper |
| 26.11.1975 | | Dover | – | Colchester United | | 4:1 * |
| |
FA Cup 1974/75, Second Round Proper |
| 14.12.1974 | | Leatherhead | – | Colchester United | | 1:0 |
| |
FA Cup 1973/74, First Round Proper |
| 24.11.1973 | | Colchester United | – | Peterborough United | | 2:3 |
| |
FA Cup 1972/73, Second Round Proper |
| 11.12.1972 | | Colchester United | – | Bournemouth | | 0:2 * |
| |
FA Cup 1971/72, First Round Proper |
| 20.11.1971 | | Colchester United | – | Shrewsbury Town | | 1:4 |
| |
FA Cup 1970/71, Sixth Round Proper |
| 06.03.1971 | | Everton | – | Colchester United | | 5:0 |
| |
FA Cup 1969/70, First Round Proper |
| 15.11.1969 | | Newport County | – | Colchester United | | 2:1 (1:1) |
| |
FA Cup 1968/69, Second Round Proper |
| 07.12.1968 | | Colchester United | – | Exeter City | | 0:1 |
| |
FA Cup 1967/68, Third Round Proper |
| 31.01.1968 | | West Bromwich Albion | – | Colchester United | | 4:0 * |
| |
FA Cup 1966/67, Second Round Proper |
| 07.01.1967 | | Colchester United | – | Peterborough United | | 0:3 |
| |
FA Cup 1965/66, First Round Proper |
| 17.11.1965 | | Queens Park Rangers | – | Colchester United | | 4:0 * |
| |
FA Cup 1964/65, Second Round Proper |
| 05.12.1964 | | Torquay United | – | Colchester United | | 2:0 |
| |
FA Cup 1963/64, Second Round Proper |
| 07.12.1963 | | Colchester United | – | Queens Park Rangers | | 0:1 |
| |
FA Cup 1962/63, First Round Proper |
| 03.11.1962 | | Wimbledon | – | Colchester United | | 2:1 |
| |
FA Cup 1961/62, First Round Proper |
| 13.11.1961 | | Peterborough United | – | Colchester United | | 3:0 * |
| |
FA Cup 1960/61, Second Round Proper |
| 26.11.1960 | | Aldershot | – | Colchester United | | 3:1 |
| |
FA Cup 1959/60, First Round Proper |
| 14.11.1959 | | Colchester United | – | Queens Park Rangers | | 2:3 |
| |
FA Cup 1958/59, Fourth Round Proper |
| 28.01.1959 | | Arsenal | – | Colchester United | | 4:0 * |
| |
FA Cup 1957/58, First Round Proper |
| 16.11.1957 | | Wisbech Town | – | Colchester United | | 1:0 |
| |
FA Cup 1956/57, First Round Proper |
| 17.11.1956 | | Colchester United | – | Southend United | | 1:4 |
| |
FA Cup 1955/56, First Round Proper |
| 19.11.1955 | | Torquay United | – | Colchester United | | 2:0 |
| |
FA Cup 1954/55, First Round Proper |
| 25.11.1954 | | Colchester United | – | Reading | | 1:2 * |
| |
FA Cup 1953/54, First Round Proper |
| 23.11.1953 | | Millwall | – | Colchester United | | 4:0 * |
| |
FA Cup 1952/53, Third Round Proper |
| 15.01.1953 | | Colchester United | – | Rotherham United | | 0:2 * |
| |
FA Cup 1951/52, Third Round Proper |
| 12.01.1952 | | Barnsley | – | Colchester United | | 3:0 |
| |
FA Cup 1950/51, First Round Proper |
| 25.11.1950 | | Bournemouth | – | Colchester United | | 1:0 |
| |
FA Cup 1949/50, Fourth Qualifying Round |
| | | Wealdstone | – | Colchester United | | 1:0 |
| |
FA Cup 1948/49, First Round Proper |
| 04.12.1948 | | Colchester United | – | Reading | | 2:4 |
| |
FA Cup 1947/48, Fifth Round Proper |
| 07.02.1948 | | Blackpool | – | Colchester United | | 5:0 |
| |
FA Cup 1946/47, First Round Proper |
| 30.11.1946 | | Reading | – | Colchester United | | 5:0 |
| |
FA Cup 1945/46, Fourth Qualifying Round |
| | | Wisbech Town | – | Colchester United | | 5:0 |
| |
FA Cup 1938/39, First Round Proper |
| 26.11.1938 | | Folkestone | – | Colchester United | | 2:1 |
| |
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