Patrick McMahon (born 21 June 1927), also known by the nickname of "Cocky", is an Australian former professional rugby league footballer who played in the 1940s and 1950s.
An Australia national and Queensland state representative winger, he played his club football around the state of Queensland.
McMahon was first selected to represent Queensland in 1946.
Isa, Toowoomba's All Whites club, and Babinda.
McMahon also had a stint as captain coach of the Mitchell club in 1956.In 2008, rugby league in Australia's centenary year, McMahon was named on the bench of the Toowoomba and South West Team of the Century.