John Sullivan (born July 28, 1981) is a Canadian retired football player. He was drafted by the Winnipeg Blue Bombers in 2004, but he did not start playing with that team until 2005, remaining at University of Waterloo for his final year of eligibility. Sullivan obtained his degree at the University of Waterloo, and he holds the school record for most all-time tackles. He was inducted into the Hall of Fame in 2005. He was named to the OUA All-star 1st team in 2002, 2003,and 2004 and was awarded the Presidents Trophy as OUA Defensive Player of the Year in 2003. He was a CIS All Canadian for the 2003 and 2004 seasons.