Michael Nepinak (born May 3, 1953) was a Canadian track and field athlete (triple jump) and is a member of the Pine Creek First Nation.
He excelled in his sport while attending the University of Pennsylvania in Philadelphia, Pennsylvania.
In 1978 he set a new Canadian record in triple jump at the Commonwealth Games with a jump of 16.24 metres; this record stood for eight years until it was broken by George Wright in 1987.
In 1980, he was named to the Canadian Olympic Team for the 1980 Summer Olympics in Moscow, Russia.
He was twice champion at the Canadian Track and Field Championships, winning in 1978 and 1980.