FA Cup 2023/24, First Qualifying Round |
 | 02.09.2023 |  | Harrow Borough | – | Bracknell Town | | 0:2 (0:1) |
| London |
FA Cup 2022/23, First Qualifying Round |
| 03.09.2022 | | Bracknell Town | – | Harrow Borough | | 4:1 (2:0) |
| Bracknell Larges Lane |
FA Cup 2021/22, First Round Proper |
| 06.11.2021 | | Portsmouth | – | Harrow Borough | | 1:0 (1:0) |
| Portsmouth |
FA Cup 2020/21, Second Qualifying Round |
| 03.10.2020 | | Harrow Borough | – | Cray Valley Paper Mills | | 1:5 |
| London |
FA Cup 2019/20, Second Qualifying Round |
| 21.09.2019 | | Harrow Borough | – | Carshalton Athletic | | 0:1 (0:1) |
| London |
FA Cup 2018/19, First Qualifying Round |
| 08.09.2018 | | AFC Hornchurch | – | Harrow Borough | | 1:0 (0:0) |
| London |
FA Cup 2017/18, First Qualifying Round |
| 02.09.2017 | | Enfield Town | – | Harrow Borough | | 2:1 (1:0) |
| London |
FA Cup 2016/17, First Round Proper |
| 05.11.2016 | | Northampton Town | – | Harrow Borough | | 6:0 (2:0) |
| Northampton |
FA Cup 2015/16, First Qualifying Round |
| 15.09.2015 | | Harrow Borough | – | Northwood | | 0:1 (0:0) * |
| London |
FA Cup 2014/15, Fourth Qualifying Round |
| 28.10.2014 | | Harrow Borough | – | Basingstoke Town | | 1:4 aet
(1:1, 1:1) * |
| London |
FA Cup 2013/14, First Qualifying Round |
| 17.09.2013 | | North Greenford United | – | Harrow Borough | | 2:1 * |
| London |
FA Cup 2012/13, First Qualifying Round |
| 08.09.2012 | | Harrow Borough | – | St Albans City | | 1:3 (0:1) |
| London |
FA Cup 2011/12, Second Qualifying Round |
| 01.10.2011 | | Dartford | – | Harrow Borough | | 5:0 (3:0) |
| |
FA Cup 2010/11, First Round Proper |
| 06.11.2010 | | Harrow Borough | – | Chesterfield | | 0:2 (0:0) |
| London |
FA Cup 2009/10, First Qualifying Round |
| 15.09.2009 | | Harrow Borough | – | Chesham United | | 0:2 * |
| |
FA Cup 2008/09, First Qualifying Round |
| 16.09.2008 | | Harrow Borough | – | Hemel Hempstead Town | | 1:2 * |
| |
FA Cup 2007/08, First Qualifying Round |
| 15.09.2007 | | Harrow Borough | – | Hitchin Town | | 2:3 |
| |
FA Cup 2006/07, Second Qualifying Round |
| 30.09.2006 | | Hemel Hempstead Town | – | Harrow Borough | | 4:2 |
| |
FA Cup 2005/06, Third Qualifying Round |
| 08.10.2005 | | Harrow Borough | – | Welling United | | 0:1 |
| |
FA Cup 2004/05, Third Qualifying Round |
| | | Harrow Borough | – | Flackwell Heath | | 0:1 (0:0) |
| |
FA Cup 2003/04, Fourth Qualifying Round |
| | | Harrow Borough | – | Hereford United | | 1:6 (0:2) |
| |
FA Cup 2002/03, Second Qualifying Round |
| | | Havant & Waterlooville | – | Harrow Borough | | 2:1 |
| |
FA Cup 2001/02, Second Qualifying Round |
| | | King's Lynn | – | Harrow Borough | | 1:0 |
| |
FA Cup 2000/01, First Round Proper |
| 18.11.2000 | | Wycombe Wanderers | – | Harrow Borough | | 3:0 (2:0) |
| High Wycombe |
FA Cup 1999/00, Third Qualifying Round |
| | | Worcester City | – | Harrow Borough | | 3:2 |
| |
FA Cup 1998/99, Third Qualifying Round |
| | | Langney Sports | – | Harrow Borough | | 4:1 |
| |
FA Cup 1997/98, Second Qualifying Round |
| | | Margate | – | Harrow Borough | | 4:0 |
| |
FA Cup 1996/97, Second Qualifying Round |
| | | Harrow Borough | – | Dagenham & Redbridge | | 0:2 * |
| |
FA Cup 1995/96, Second Qualifying Round |
| | | Bracknell Town | – | Harrow Borough | | 2:1 |
| |
FA Cup 1994/95, Second Qualifying Round |
| | | Staines Town | – | Harrow Borough | | 5:3 |
| |
FA Cup 1993/94, Fourth Qualifying Round |
| | | Harrow Borough | – | Valley Sports Rugby | | 1:2 * |
| |
FA Cup 1992/93, First Qualifying Round |
| | | Harrow Borough | – | Berkhamsted Town | | 0:2 |
| |
FA Cup 1991/92, First Qualifying Round |
| | | Berkhamsted Town | – | Harrow Borough | | 3:2 |
| |
FA Cup 1990/91, First Qualifying Round |
| | | Edgware Town | – | Harrow Borough | | 1:0 |
| |
FA Cup 1989/90, First Qualifying Round |
| | | Harrow Borough | – | Gravesend & Northfleet | | 1:2 |
| |
FA Cup 1988/89, First Qualifying Round |
| | | Staines Town | – | Harrow Borough | | 2:0 |
| |
FA Cup 1987/88, Second Qualifying Round |
| | | Burnham | – | Harrow Borough | | 2:1 |
| |
FA Cup 1986/87, First Qualifying Round |
| | | Fisher Athletic | – | Harrow Borough | | 1:0 |
| |
FA Cup 1985/86, Second Qualifying Round |
| | | Harrow Borough | – | Leyton-Wingate | | 2:3 * |
| |
FA Cup 1984/85, Fourth Qualifying Round |
| | | Harrow Borough | – | Kettering Town | | 0:2 * |
| |
FA Cup 1983/84, Second Round Proper |
| 10.12.1983 | | Harrow Borough | – | Newport County |  | 1:3 |
| |
FA Cup 1982/83, Second Qualifying Round |
| | | Harrow Borough | – | Feltham | | 2:3 |
| |
FA Cup 1981/82, Fourth Qualifying Round |
| | | Hendon | – | Harrow Borough | | 2:1 |
| |
FA Cup 1980/81, Second Qualifying Round |
| | | Harrow Borough | – | St Albans City | | 3:4 |
| |
FA Cup 1979/80, First Qualifying Round |
| | | Harrow Borough | – | Witney Town | | 1:3 |
| |
FA Cup 1978/79, Preliminary Round |
| | | Harrow Borough | – | Hertford Town | | 0:2 |
| |
FA Cup 1977/78, First Qualifying Round |
| | | Witney Town | – | Harrow Borough | | 2:1 * |
| |
FA Cup 1976/77, First Qualifying Round |
| | | Leytonstone | – | Harrow Borough | | 2:0 |
| |
FA Cup 1975/76, Preliminary Round |
| | | Barking | – | Harrow Borough | | 2:0 * |
| |
FA Cup 1974/75, Second Qualifying Round |
| | | Leytonstone | – | Harrow Borough | | 1:0 |
| |
FA Cup 1973/74, Third Qualifying Round |
| | | Aveley | – | Harrow Borough | | 1:0 |
| |
FA Cup 1972/73, First Qualifying Round |
| | | Erith & Belvedere | – | Harrow Borough | | 2:1 * |
| |
FA Cup 1971/72, First Qualifying Round |
| | | Harrow Borough | – | Wealdstone | | 0:1 |
| |
FA Cup 1970/71, Second Qualifying Round |
| | | Harrow Borough | – | Dartford | | 0:7 |
| |
FA Cup 1969/70, First Qualifying Round |
| | | Baldock Town | – | Harrow Borough | | 3:0 |
| |
FA Cup 1968/69, First Qualifying Round |
| | | Vauxhall Motors Luton | – | Harrow Borough | | 6:1 |
| |
FA Cup 1967/68, Second Qualifying Round |
| | | Ware | – | Harrow Borough | | 4:1 |
| |
FA Cup 1966/67, Second Qualifying Round |
| | | Wolverton Town & BR | – | Harrow Borough | | 4:1 |
| |
FA Cup 1965/66, First Qualifying Round |
| | | Harlow Town | – | Harrow Town | | 3:1 |
| |
FA Cup 1964/65, First Qualifying Round |
| | | Hertford Town | – | Harrow Town | | 2:0 |
| |
FA Cup 1963/64, Second Qualifying Round |
| | | Ware | – | Harrow Town | | 2:1 |
| |
FA Cup 1962/63, Second Qualifying Round |
| | | Oxford City | – | Harrow Town | | 4:2 |
| |
FA Cup 1961/62, Second Qualifying Round |
| | | Harrow Town | – | Enfield | | 0:4 |
| |
FA Cup 1960/61, Fourth Qualifying Round |
| | | Harrow Town | – | Maidenhead United | | 2:3 |
| |
FA Cup 1959/60, First Qualifying Round |
| | | Southall | – | Harrow Town | | 1:0 |
| |
FA Cup 1958/59, Preliminary Round |
| | | Harrow Town | – | Staines Town | | 2:3 * |
| |
FA Cup 1957/58, Preliminary Round |
| | | Hounslow Town | – | Harrow Town | | 2:0 |
| |
FA Cup 1956/57, First Qualifying Round |
| | | Harrow Town | – | Southall | | 0:3 |
| |
FA Cup 1955/56, First Qualifying Round |
| | | Harrow Town | – | Wealdstone | | 0:7 |
| |
FA Cup 1954/55, Preliminary Round |
| | | Harrow Town | – | Metropolitan Police | | 1:5 * |
| |
FA Cup 1953/54, Preliminary Round |
| | | Harrow Town | – | Hendon | | 2:3 |
| |
FA Cup 1952/53, Preliminary Round |
| | | Harrow Town | – | Uxbridge | | 1:8 |
| |
FA Cup 1951/52, Preliminary Round |
| | | Uxbridge | – | Harrow Town | | 3:2 |
| |
FA Cup 1950/51, Extra Preliminary Round |
| | | Tufnell Park | – | Harrow Town | | 6:3 |
| |
FA Cup 1949/50, Extra Preliminary Round |
| | | Harrow Town | – | Wingate | | 0:2 |
| |
FA Cup 1948/49, First Qualifying Round |
| | | Wealdstone | – | Harrow Town | | 2:1 |
| |
FA Cup 1947/48, Second Qualifying Round |
| | | Leavesden | – | Harrow Town | | 3:2 |
| |
FA Cup 1946/47, Third Qualifying Round |
| | | Finchley | – | Harrow Town | | 4:3 |
| |
FA Cup 1945/46, Second Qualifying Round |
| | | Wealdstone | – | Harrow Town | | 6:1 * |
| |
