Dennis Haley (born February 18, 1982, in Roanoke, Virginia) is a former gridiron football linebacker. He most recently played for the BC Lions of the Canadian Football League. He was originally signed by the New York Jets of the National Football League as an undrafted free agent in 2005. He played college football at Virginia. Haley has also played for the Baltimore Ravens and San Francisco 49ers. On March 15, 2010, Haley was acquired by the BC Lions from the Hamilton Tiger-Cats in exchange for DB Jerome Dennis. He was later released before the start of the 2010 CFL season.