Michael Giffin (born January 24, 1984 in Kingston, Ontario) is a retired professional Canadian football running back who most recently played for the Montreal Alouettes of the Canadian Football League. He was signed as a free agent by the Alouettes, originally late in 2008. He played his CIS football for the Queen's Golden Gaels. While at Queen's University, he was chosen a first-team All-Canadian in 2007 and 2008, and became the first Queen's player to rush for more than 1,000 yards in a single season in school history. Giffin finished his Queen's career as the school's all-time leading rusher.
On May 10, 2012, Giffin announced his retirement.