Jim Leis is an Australian former professional rugby league footballer of the 1980s. A New South Wales representative forward, he played in the New South Wales Rugby League competition for Western Suburbs Magpies, Canterbury-Bankstown and Cronulla-Sutherland Sharks.
In his debut first-grade season, Leis was selected to represent New South Wales in the 2nd state of residence game, and kept his place at lock for the inaugural State of Origin game in 1980. In the same year he was selected to tour New Zealand with the Australian national team although he did not play, and earnt the Dally M awards for lock and rookie of the year.
Leis was named at lock in the Western Suburbs Team of the Eighties.