John Patrick Platten (born 17 March 1963) is a retired Brownlow and Magarey medal-winning Australian rules footballer, who played for Hawthorn and Central Districts in the 1980s and 1990s.
Platten's career in the game began in his native South Australia, where he won a Magarey Medal with Central Districts (Bulldogs), then continued with the Hawthorn Hawks team of the late 1980s and early 1990s; where he won four premiership flags; as well as a Brownlow Medal.
Platten remains a popular and respected figure at both clubs, where he enjoys hall-of-fame status.
He is also an inductee in both the AFL and SANFL halls of fame.