Gerald Michael McGrath (born 28 November 1947) is an Australian former triple jumper who competed in the 1970 Commonwealth Games and the 1972 Summer Olympics.
McGrath attended the University of Melbourne, gaining a full blue in athletics in 1969.
McGrath won the British AAA Championships title at the 1975 AAA Championships.
In 2014 he was named by Athletics Victoria in the Victorian all-time Commonwealth Games team.