Michael Mathieu (born 24 June 1984) is a Bahamian sprinter from Freeport, Grand Bahama who specializes in 200 metres and 400 metres. He was part of the Bahamian silver medal-winning team in the men's 4×400 metres relay at the 2008 Beijing Olympics, running second leg and recording a 44.0 split, and the gold medal winning team at the 2012 Summer Olympics.