Honours
- National League Champions: 2020/21
- National League South Champions: 2015/16
- Conference South Runners-up: 2013/14
- Isthmian League Champions: 1966/67, 1984/85, 1985/86, 1998/99, 2010/11
- Isthmian League Runners-up: 1967/68, 1970/71, 1981/82, 2003/04
- Isthmian League Cup Winners: 1982/83, 1983/84, 1985/86, 1997/98
- Full Members’ Cup Winners: 1991/92, 1995/96
- Athenian League Champions: 1927/28, 1945/46, 1957/58
- Athenian League Runners-up: 1946/47
- Challenge Cup Winners: 1945/46, 1955/56, 1961/62, 1962/63
- FA Trophy Runners-up: 1980/81
- FA Amateur Cup Runners-up: 1962/63, 1968/69
- Anglo-Italian Cup Winners: 1978/79
- Anglo-Italian Cup Runners-up: 1979/80, 1981/82
- Bob Lord Trophy Winners: 1990/91
- London Senior Cup Winners: 1957/58, 1982/83
- Surrey Senior Cup Winners: 1945/46, 1964/65, 1967/68, 1969/70, 1979/80, 1982/83, 1983/84, 1984/85, 1985/86, 1986/87, 1987/88, 1992/93, 1994/95, 1998/99, 2002/03
- FA Cup 5th Round: 2016/17
- FA Cup 4th Round: 1969/70, 1988/89
- FA Cup 3rd Round: 1987/88, 1993/94
- EFL Trophy Finalists: 2021-22
SUTTON UNITED WOMEN HONOURS
- Greater London Women’s Football League Division Two champions: 2017/18
- Greater London Women’s Football League Division One champions: 2018/19
- London & South East Regional Women’s League Division One champions: 2021/22
SUTTON UNITED FOUNDATION GIRLS’ HONOURS
- Surrey County Cup Winners: 2012/13 (under 10s)
- Surrey County Cup Runners-up: 2013/14 (under 11s), 2017/18(under 13s)
- Surrey County Women’s and Girls’ League Premier Division Champions: 2014/15(under 12s), 2021/22 (under 14s)
- Surrey County Women’s and Girls’ League Premier Division Runners-up: 2012/13(under 12s), 2015/16 (under 12s)
- Surrey County Women’s and Girls’ League Division Two Runners-up: 2017/18 (under 16s)
- Surrey County Women’s and Girls’ League Cup Winners: 2014/15 (under 12s)
- Surrey County Women’s and Girls’ League Cup Runners-up: 2013/14(under 11s), 2018/19(under 10s and under 13s)
- London Capital Cup Winners: 2014/15 (under 12s)
UNITED IN THE COMMUNITY HONOURS
- 2013: Chamber of Commerce Commitment to the Community Award
- 2013: Surrey County FA Volunteer of the year – Tony Henderson-Smith
- 2013: London Business Awards Commitment to the Community Award – shortlisted
- 2015: National Football Awards Best Non-Premier League Football Community Scheme – nominated
- 2016: London Borough of Sutton Community Awards Improving Lives Award – Steve King – Winner
- 2017: Football Foundation Community Club of the Year
- 2018: Vanarama National League Volunteer of the Year – Tony Henderson-Smith – Winner
- 2020: Surrey County FA Coach of the Year – Steve King
- 2020: Surrey F.A. Grassroots Project of the Year – Sutton United Disability
