Triathlon competitions at the 2015 Pan American Games in Toronto were held from July 11 to 12 at the Ontario Place West Channel. The Pan American Games triathlon contained three components; a 1.5 km (0.93 mi) swim, 40 km (25 mi) cycle, and a 10 km (6.2 mi) run. There was a total of two medal events in the sport.

The Ontario Place West Channel, also known as the Toronto Western Beaches Watercourse is a "flat water" training and competition centre for rowing, paddling, and water sports located on the shoreline of Lake Ontario in Toronto, Ontario, Canada.