Men's Basketball Champions
| Champions | |||||
| Year | School | Year | School | Year | School |
| 2023-24 | Queen's | 1986-87 | McMaster | 1950-51 | Western |
| 2022-23 | Ottawa | 1985-86 | Waterloo | 1949-50 | Western |
| 2021-22 | Brock | 1984-85 | York | 1948-49 | Western |
| 2020-21 | No Competition (COVID-19) | 1983-84 | York | 1947-48 | Western |
| 2019-20 | Carleton* | 1982-83 | Waterloo | 1946-47 | Western |
| 2018-19 | Carleton* | 1981-82 | York | 1945-46 | Western |
| 2017-18 | Carleton | 1980-81 | York | 1940-45 | No Competition (War) |
| 2016-17 | Ryerson | 1979-80 | York | 1939-40 | Western / Toronto |
| 2015-16 | Ryerson | 1978-79 | Windsor | 1938-39 | McGill / Western / Toronto |
| 2014-15 | Carleton* | 1977-78 | York | 1937-38 | Western |
| 2013-14 | Ottawa | 1976-77 | Waterloo | 1936-37 | Toronto |
| 2012-13 | Carleton* | 1975-76 | Waterloo | 1935-36 | Queen's |
| 2011-12 | Carleton* | 1974-75 | Waterloo* | 1934-35 | Toronto |
| 2010-11 | Lakehead | 1973-74 | Waterloo | 1933-34 | McGill |
| 2009-10 | Carleton | 1972-73 | Windsor | 1932-33 | McGill |
| 2008-09 | Carleton* | 1971-72 | Windsor | 1931-32 | McGill |
| 2007-08 | Carleton | 1970-71 | Windsor | 1930-31 | McGill |
| 2006-07 | Windsor | 1969-70 | McMaster | 1929-30 | Queen's |
| 2005-06 | McMaster | 1968-69 | Windsor* | 1928-29 | Toronto |
| 2004-05 | Carleton* | 1967-68 | Western | 1927-28 | Toronto |
| 2003-04 | Carleton* | 1966-67 | Windsor* | 1926-27 | Western |
| 2002-03 | Carleton* | 1965-66 | Windsor* | 1925-26 | Queen's |
| 2001-02 | Western | 1964-65 | Windsor | 1924-25 | Toronto |
| 2000-01 | Western | 1963-64 | Windsor* | 1923-24 | Queen's |
| 1999-00 | Laurentian | 1962-63 | Windsor | 1922-23 | McGill |
| 1998-99 | Western | 1961-62 | Western | 1921-22 | McGill |
| 1997-98 | Laurentian | 1960-61 | Western | 1920-21 | Toronto |
| 1996-97 | McMaster | 1959-60 | Western | 1919-20 | Toronto |
| 1995-96 | McMaster | 1958-59 | Assumption | 1915-19 | No Competition (War) |
| 1994-95 | Toronto | 1957-58 | Toronto | 1914-15 | McGill |
| 1993-94 | McMaster | 1956-57 | Queen's / Assumption | 1913-14 | McGill |
| 1992-93 | Ottawa | 1955-56 | Western | 1912-13 | Toronto |
| 1991-92 | Brock* | 1954-55 | Western | 1911-12 | McGill |
| 1990-91 | Western* | 1953-54 | Western / Assumption | 1910-11 | Toronto |
| 1989-90 | Guelph | 1952-53 | Western | 1909-10 | McGill |
| 1988-89 | Western | 1951-52 | Western | 1908-09 | Toronto |
| 1987-88 | Western | ||||
*Denotes U SPORTS (formerly CIS) champions