Swimming Champions
| Champions (Women) | |||||
| Year | School | Year | School | Year | School |
| 2023-24 | Toronto* | 2005-06 | Toronto | 1988-89 | Toronto* |
| 2022-23 | Toronto* | 2004-05 | Toronto | 1987-88 | Toronto* |
| 2021-22 | Toronto* | 2003-04 | Toronto | 1986-87 | Toronto* |
| 2020-21 | No Competition (COVID-19) | 2002-03 | Toronto | 1985-86 | Western |
| 2019-20 | Toronto | 2001-02 | Toronto | 1984-85 | Toronto |
| 2018-19 | Toronto | 2000-01 | Toronto | 1983-84 | Toronto* |
| 2017-18 | Toronto | 1999-00 | McMaster | 1982-83 | Toronto* |
| 2016-17 | Toronto | 1998-99 | McMaster | 1981-82 | Toronto* |
| 2015-16 | Toronto* | 1997-98 | McMaster | 1980-81 | Toronto* |
| 2014-15 | Toronto | 1996-97 | Toronto* | 1979-80 | Toronto* |
| 2013-14 | Toronto | 1995-96 | Toronto | 1978-79 | Toronto* |
| 2012-13 | Western | 1994-95 | McMaster | 1977-78 | Toronto |
| 2011-12 | Western | 1993-94 | McMaster | 1976-77 | Toronto / Western |
| 2010-11 | Western | 1992-93 | McMaster | 1975-76 | Waterloo |
| 2009-10 | Western | 1991-92 | McMaster | 1974-75 | Waterloo |
| 2008-09 | Western | 1990-91 | Toronto* | 1973-74 | Waterloo |
| 2007-08 | Toronto | 1989-90 | Toronto* | 1972-73 | Waterloo |
| 2006-07 | Toronto | ||||
*Denotes U SPORTS (formerly CIS) champions
| Champions | |||||
| Year | School | Year | School | Year | School |
| 2023-24 | Toronto* | 1987-88 | Toronto | 1951-52 | Toronto |
| 2022-23 | Toronto | 1986-87 | Toronto | 1950-51 | McGIll |
| 2021-22 | Toronto | 1985-86 | Toronto* | 1949-50 | McGIll |
| 2020-21 | No Competition (COVID-19) | 1984-85 | Toronto | 1948-49 | McGIll |
| 2019-20 | Toronto | 1983-84 | Toronto | 1947-48 | Toronto |
| 2018-19 | Toronto | 1982-83 | Toronto | 1946-47 | Toronto |
| 2017-18 | Toronto | 1981-82 | Toronto | 1945-46 | Toronto |
| 2016-17 | Toronto | 1980-81 | Toronto* | 1940-45 | No Competition (War) |
| 2015-16 | Toronto* | 1979-80 | Toronto* | 1939-40 | Toronto |
| 2014-15 | Toronto | 1978-79 | Toronto | 1938-39 | Toronto |
| 2013-14 | Toronto* | 1977-78 | Toronto | 1937-38 | Toronto |
| 2012-13 | Toronto* | 1976-77 | Toronto | 1936-37 | Toronto |
| 2011-12 | Toronto | 1975-76 | Toronto* | 1935-36 | McGill |
| 2010-11 | Toronto | 1974-75 | Toronto* | 1934-35 | Toronto |
| 2009-10 | Toronto | 1973-74 | Toronto* | 1933-34 | McGill |
| 2008-09 | Toronto | 1972-73 | Toronto* | 1932-33 | McGill |
| 2007-08 | Toronto | 1971-72 | Toronto | 1931-32 | McGill |
| 2006-07 | Toronto | 1970-71 | Toronto* | 1930-31 | McGill |
| 2005-06 | Toronto | 1969-70 | Toronto* | 1929-30 | McGill |
| 2004-05 | Toronto | 1968-69 | Toronto* | 1928-29 | McGill |
| 2003-04 | Toronto | 1967-68 | Toronto* | 1927-28 | McGill |
| 2002-03 | McMaster | 1966-67 | Toronto* | 1926-27 | McGill |
| 2001-02 | Toronto | 1965-66 | Toronto* | 1925-26 | McGill |
| 2000-01 | Toronto | 1964-65 | Toronto | 1924-25 | McGill |
| 1999-00 | McMaster | 1963-64 | Toronto | 1923-24 | McGill |
| 1998-99 | McMaster | 1962-63 | Toronto | 1922-23 | Toronto |
| 1997-98 | McMaster | 1961-62 | Toronto | 1921-22 | Toronto |
| 1996-97 | McMaster | 1960-61 | Toronto | 1920-21 | McGill |
| 1995-96 | McMaster | 1959-60 | Western | 1919-20 | Toronto |
| 1994-95 | McMaster | 1958-59 | Toronto | 1915-19 | No Competition (War) |
| 1993-94 | McMaster | 1957-58 | Toronto | 1914-15 | McGill |
| 1992-93 | McMaster | 1956-57 | Toronto | 1913-14 | McGill |
| 1991-92 | Toronto* | 1955-56 | McGIll | 1912-13 | McGill |
| 1990-91 | Toronto | 1954-55 | Toronto | 1911-12 | McGill |
| 1989-90 | Toronto | 1953-54 | McGIll | 1910-11 | McGill |
| 1988-89 | Toronto | 1952-53 | Toronto | 1909-10 | McGill |
*Denotes U SPORTS (formerly CIS) champions