Peter Gerard O'Donoghue (born 1 October 1961) is a former New Zealand and Australian athlete specialising in middle distance running.

O'Donoghue was selected for the 1982 Commonwealth Games, but withdrew due to injury.

Earlier in 1984 he beat Steve Ovett on the line in a 1500m race in Melbourne.

After transferring his allegiance to Australia, he ran an Australian Resident Record over 5000m of 13:23.6, with the last 800m covered in 1:56.0, but withdrew from the 1994 Commonwealth Games due to injury.

This biographical article relating to New Zealand athletics is a stub.