Triathlon at the 2002 Commonwealth Games was the inaugural appearance of Triathlon at the Commonwealth Games. Competition was held in Manchester, England, on 4 August 2002. It was the first time that the sport had been on the program.
The events were held in Salford Quays in Salford.
The event consisted of 1,500 metres swimming (two laps of Salford Quays Docks), 40km cycling (four 10km laps) and 10km running (3 circular laps).
Canada topped the triathlon medal table by virtue of winning two gold medals.