Mitchell Larkin (born 9 July 1993) is an Australian competitive swimmer who specialises in backstroke events. He competed for Australia at the swimming at the 2012 Summer Olympics.He won a gold medal in the 200-metre backstroke and a silver medal in both the 50-metre and 100-metre backstroke at the 2014 Commonwealth Games in Glasgow, Scotland, and another gold in the 100-metre backstroke at the 2015 FINA world championships in Kazan, Russia.