Brent Matthew Hayden (born October 21, 1983) is a Canadian competitive swimmer. Representing Canada for a decade, Hayden is regarded as the fastest swimmer in Canadian history. Hayden won a bronze medal in the 100 m freestyle at the 2012 Summer Olympics in London with a time of 47.80, and was world champion in the same event in 2007 with Filippo Magnini of Italy. By winning the 100 metre, Hayden became the first Canadian in 21 years to win a gold medal at the World Aquatics Championships, and was also the first Canadian to appear in the 100 metre final at the Olympics since Dick Pound at the 1960 Summer Olympics, and the first Canadian to win an Olympic medal in the 100 metre. Hayden added a further three silver and one bronze medal to his World Championship totals.