Brent McMahon (born September 17, 1980 in Kelowna, British Columbia) is a triathlete from Canada.

He was hampered by injuries, and placed thirty-ninth with a total time of 1:59:44.57.

On August 14, 2011, Brent won his first Triathlon World Cup event in Tiszaújváros, Hungary.

[2] McMahon went to Handsworth Secondary School in the District of North Vancouver, British Columbia.

This biographical article related to a Canadian known for competing in triathlons is a stub.