Wrestling Champions
| Champions (Women) | |||||
| Year | School | Year | School | Year | School |
| 2025 | Brock* | 2015 | Brock* | 2005 | Brock |
| 2024 | Brock* | 2014 | Western | 2004 | Brock |
| 2023 | Brock | 2013 | Brock | 2003 | Brock |
| 2022 | Brock | 2012 | Brock | 2002 | Brock* |
| 2021 | No Competition (COVID-19) | 2011 | Brock | 2001 | Brock |
| 2020 | Brock* | 2010 | Brock | 2000 | Lakehead |
| 2019 | Brock* | 2009 | Brock | 1999 | Brock |
| 2018 | Brock | 2008 | Brock | 1998 | Lakehead |
| 2017 | Brock* | 2007 | Western | ||
| 2016 | Brock* | 2006 | Brock | ||
OUA women's wrestling champions receive the Women's Wrestling Trophy.
*Denotes U SPORTS (formerly CIS) champions
| Champions (Men) | |||||
| Year | School | Year | School | Year | School |
| 2025 | Brock | 1998 | Brock | 1971 | Waterloo |
| 2024 | Brock* | 1997 | Brock | 1970 | Western |
| 2023 | Brock* | 1996 | Brock* | 1969 | Guelph |
| 2022 | Brock | 1995 | Brock* | 1968 | Guelph |
| 2021 | No Competition (COVID-19) | 1994 | Western | 1967 | Guelph |
| 2020 | Brock* | 1993 | McMaster | 1966 | Guelph |
| 2019 | Brock* | 1992 | Brock* | 1965 | Western |
| 2018 | Brock | 1991 | Western | 1964 | OAC |
| 2017 | Brock* | 1990 | Western* | 1963 | OAC |
| 2016 | Brock* | 1989 | York* | 1962 | Toronto |
| 2015 | McMaster | 1988 | McMaster | 1961 | Toronto |
| 2014 | Guelph | 1987 | York | 1960 | Western |
| 2013 | Western | 1986 | McMaster | 1959 | Toronto |
| 2012 | Western | 1985 | McMaster* | 1958 | Western |
| 2011 | Guelph | 1984 | Guelph | 1957 | OAC |
| 2010 | Brock / Lakehead | 1983 | Guelph* | 1956 | Western |
| 2009 | Brock | 1982 | Guelph* | 1955 | OAC |
| 2008 | Brock* | 1981 | Guelph* | 1954 | Toronto / Western |
| 2007 | Brock* | 1980 | Guelph | 1953 | Western |
| 2006 | Brock* | 1979 | Western | 1952 | Western |
| 2005 | Brock* | 1978 | Western | 1951 | McGill |
| 2004 | Brock* | 1977 | Guelph | 1950 | Toronto |
| 2003 | Brock* | 1976 | Guelph | 1949 | OAC |
| 2002 | Brock* | 1975 | Western | 1948 | Toronto |
| 2001 | Brock* | 1974 | Guelph | ||
| 2000 | Brock* | 1973 | Western | ||
| 1999 | Brock* | 1972 | Waterloo / Western | ||
OUA men's wrestling champions receive the Porter Trophy, first presented in 1953 by Mr. A.M. Porter of O.A.C. (Guelph).
*Denotes U SPORTS (formerly CIS) champions