SWFL Premierships
| Year | League | Reserves | Colts | Womens |
| 2026 | Bunbury | Bunbury | Harvey Brunswick Leschenault | Busselton |
| 2025 | South Bunbury | Carey Park | Harvey Brunswick Leschenault | Bunbury |
| 2024 | South Bunbury | South Bunbury | Harvey Brunswick Leschenault | Bunbury |
| 2023 | Busselton | Busselton | Bunbury | Bunbury |
| 2022 | Augusta Margaret River | South Bunbury | Carey Park | Busselton |
| 2021 | Augusta Margaret River | Bunbury | Carey Park | South Bunbury |
| 2020 | Bunbury | Harvey Brunswick Leschenault | Busselton | South Bunbury |
| 2019 | Harvey Brunswick Leschenault | Harvey Brunswick Leschenault | Bunbury | South Bunbury |
| 2018 | Donnybrook | Harvey Brunswick Leschenault | Bunbury | Bunbury |
| 2017 | Bunbury | South Bunbury | Bunbury | Bunbury |
| 2016 | South Bunbury | Harvey Brunswick Leschenault | Harvey Brunswick Leschenault | |
| 2015 | Busselton | Eaton Boomers | Harvey Brunswick Leschenault | |
| 2014 | Eaton Boomers | Carey Park | Bunbury | |
| 2013 | Eaton Boomers | Collie Eagles | Eaton Boomers | |
| 2012 | Busselton ** | Eaton Boomers | Harvey Brunswick Leschenault | |
| 2011 | Augusta Margaret River | Augusta Margaret River | Eaton Boomers | |
| 2010 | Harvey Brunswick Leschenault | Harvey Brunswick Leschenault | Carey Park | |
| 2009 | Carey Park | Harvey Brunswick Leschenault | Eaton Boomers | |
| 2008 | Carey Park | Harvey Brunswick Leschenault | Carey Park | |
| 2007 | Harvey Brunswick Leschenault | South Bunbury | Bunbury | |
| 2006 | Carey Park | Harvey Brunswick Leschenault | Eaton Boomers | |
| 2005 | Collie Eagles | Bunbury | South Bunbury | |
| 2004 | Collie Eagles | Bunbury | Harvey Brunswick Leschenault | |
| 2003 | Carey Park | Bunbury | Collie Eagles | |
| 2002 | South Bunbury | Collie Eagles | Busselton | |
| 2001 | Bunbury | Carey Park | Busselton | |
| 2000 | Donnybrook | Busselton | Busselton | |
| 1999 | Donnybrook | Bunbury | Busselton | |
| 1998 | Donnybrook | Collie | Busselton | |
| 1997 | Mines Rovers | Busselton | Busselton | |
| 1996 | Busselton | Augusta Margaret River | Bunbury | |
| 1995 | Augusta Margaret River | Busselton | Bunbury | |
| 1994 | Augusta Margaret River | Augusta Margaret River | Bunbury | |
| 1993 | South Bunbury | South Bunbury | Bunbury | |
| 1992 | Harvey Brunswick Leschenault | Bunbury | Augusta Margaret River | |
| 1991 | Harvey Brunswick Leschenault | South Bunbury | Augusta Margaret River | |
| 1990 | Harvey Brunswick Leschenault | Harvey Brunswick Leschenault | South Bunbury | |
| 1989 | South Bunbury | Harvey Brunswick Leschenault | Carey Park | |
| 1988 | South Bunbury | Carey Park | Carey Park | |
| 1987 | Collie | Busselton | Carey Park | |
| 1986 | Carey Park | South Bunbury | South Bunbury | |
| 1985 | South Bunbury | Carey Park | Carey Park | |
| 1984 | South Bunbury | South Bunbury | South Bunbury | |
| 1983 | Bunbury | Collie | South Bunbury | |
| 1982 | Bunbury | Carey Park | Bunbury | |
| 1981 | South Bunbury | Bunbury | Carey Park | |
| 1980 | South Bunbury | Augusta Margaret River | Collie | |
| 1979 | Mines Rovers | Carey Park | Busselton | |
| 1978 | Busselton | Carey Park | Busselton | |
| 1977 | Donnybrook | Harvey Brunswick | Harvey Brunswick | |
| 1976 | South Bunbury | Harvey Brunswick | ||
| 1975 | Harvey Brunswick | Bunbury | ||
| 1974 | Harvey Brunswick | South Bunbury | ||
| 1973 | Carey Park | Donnybrook | ||
| 1972 | Collie | Busselton | ||
| 1971 | South Bunbury | South Bunbury | ||
| 1970 | Bunbury | Carey Park | ||
| 1969 | Mines Rovers | Mines Rovers / Harvey Brunswick | ||
| 1968 | South Bunbury | Harvey Brunswick | ||
| 1967 | Busselton | Mines Rovers | ||
| 1966 | South Bunbury | Harvey Brunswick | ||
| 1965 | Mines Rovers | South Bunbury | Harvey Brunswick | |
| 1964 | Busselton | Harvey Brunswick | South Bunbury | |
| 1963 | Carey Park | Carey Park | Carey Park | |
| 1962 | Bunbury | South Bunbury | ||
| 1961 | Bunbury | Bunbury | ||
| 1960 | Harvey Brunswick | South Bunbury | ||
| 1959 | South Bunbury | South Bunbury | ||
| 1958 | Bunbury | South Bunbury | ||
| 1957 | South Bunbury | South Bunbury |
- Between 1966 – 1976 there was no Colts competition in SWFL, it was under the SW Junior Competition.
** Drawn Grand Final – Busselton defeated Collie Eagles in replay.