OCAA MEN'S RUGBY PAST CHAMPIONS
OCAA Division I Champions
| Season | Gold | Silver | Bronze |
| 2025-26 | Humber | Durham | Georgian |
| 2024-25 | Humber | Conestoga | St. Lawrence |
| 2023-24 | Georgian | Humber | Durham |
| 2022-23 | Durham | Georgian | Sheridan |
| 2021-22 | St. Lawrence | Georgian | Durham |
| 2019-20 | Durham | Georgian | Humber |
| 2018-19 | Durham | Georgian | Algonquin |
| 2017-18 | Sheridan | St. Lawrence-K | Georgian |
| 2016-17 | Georgian | Fleming | St. Lawrence-K |
| 2015-16 | Trent | Georgian | Algonquin |
| 2014-15 | Humber | Trent | Algonquin |
| 2013-14 | Humber | Algonquin | Conestoga |
| 2012-13 | Humber | Trent | Seneca |
| 2011-12 | Humber | Seneca | Trent |
| 2010-11 | Humber | Mohawk | Seneca |
| 2009-10 | Mohawk | Humber | Seneca |
| 2008-09 | Humber | Fleming-P | Mohawk |
| 2007-08 | Humber | Seneca | Fleming-P |
| 2006-07 | Mohawk | Humber | Seneca |
| 2005-06 | Seneca | Fleming-P | Conestoga |
| 2004-05 | Seneca | Fleming-P | Mohawk |
| 2003-04 | Seneca | Fleming-P | Conestoga |
| 2002-03 | Seneca | Georgian | Fleming-P |
| 2001-02 | Seneca | Georgian | Fleming-P |
| 2000-01 | Mohawk | Fleming-P | Seneca |
| 1999-2000 | Fleming-P | Seneca | Mohawk |
| 1998-99 | Fleming-P | Georgian | Fleming-L |
| 1996-97 | Georgian | Fleming-L |
OCAA Division II Champions
| Season | Gold | Silver | Bronze |
| 2011-12 | Loyalist | Algonquin | St. Lawrence-K |
| 2010-11 | Loyalist | Georgian | |
| 2009-10 | Loyalist | Georgian | |
| 2008-09 | St. Lawrence-K | Loyalist |