Les Heidke, also known by the nickname of "Monty", was an Australian rugby league footballer who played in the 1930s and 1940s.

In 1928 Heidke first represented Queensland in the annual three-match series against New South Wales.

Heidke was ruled out of the 1933–34 Kangaroo tour with a poisoned leg, caused by a bite from a red-back spider.

[4] During the 1936 Great Britain Lions tour Heidke was selected to play as a second-row for Australia in all three Ashes tests.

Between 1932 and 1946, Heidke represented Ipswich in the Bulimba Cup a record 53 times, scoring 20 tries.