Suffolk Rugby Union Plate - Previous Winners
| Year | Team | Tally |
| 2020 | ||
| 2019 | Mistley | 1 |
| 2018 | Mildenhall & Red Lodge | 1 |
| 2017 | Mersea Island | 2 |
| 2016 | Harwich | 4 |
| 2015 | Harwich | 3 |
| 2014 | Hadleigh | 2 |
| 2013 | Clacton | 3 |
| 2012 | Harwich | 2 |
| 2011 | Southwold | 9 |
| 2010 | Stowmarket | 2 |
| 2009 | Southwold | 8 |
| 2008 | Southwold | 7 |
| 2007 | Woodbridge | 5 |
| 2006 | Southwold | 6 |
| 2005 | Woodbridge | 4 |
| 2004 | Southwold | 5 |
| 2003 | Thurston | 3 |
| 2002 | Southwold | 4 |
| 2001 | Thurston | 2 |
| 2000 | Ipswich YM | 2 |
| 1999 | Mersea Island | 1 |
| 1998 | Not played | - |
| 1997 | Woodbridge | 3 |
| 1996 | Bury St Edmunds | 4 |
| 1995 | Hadleigh | 1 |
| 1994 | Woodbridge | 2 |
| 1993 | Clacton | 2 |
| 1992 | Colchester | 1 |
| 1991 | Southwold | 3 |
| 1990 | Bury St Edmunds | 3 |
| 1989 | Bury St Edmunds | 2 |
| 1988 | Southwold | 2 |
| 1987 | Ipswich YMCA | 1 |
| 1986 | Southwold | 1 |
| 1985 | Woodbridge | 1 |
| 1984 | Harwich | 1 |
| 1983 | Felixstowe | 1 |
| 1982 | Clacton | 1 |
| 1981 | Bury St Edmunds | 1 |
| 1980 | Thurston | 1 |