Jim Alan Piper (born 13 August 1981)[1] is a former Olympic breaststroke swimmer from Australia.

He swam for Australia at the: At the 2004 Summer Olympics in Athens, he finished 19th in the 100-metre breaststroke and was a member of Australia's 9th-place men's 4×100-metre medley relay team.

He also reached and swam in the final heat of the 200-metre breaststroke, where he was disqualified for using an illegal kick.

At the 2002 Short Course Worlds, he won the 200-metre breaststroke in a new meet record (2:07.16).

This biographical article related to an Australian swimmer is a stub.