Mathieu Bois (born July 6, 1988) is a competition swimmer from Canada, who mostly competes in the breaststroke events. He claimed bronze medals in the men's 100-metre breaststroke, and the 4x100-metre medley relay, at the 2007 Pan American Games in Rio de Janeiro, Brazil. Bois made his Olympic debut at the 2008 Summer Olympics in Beijing, China.