Leon Wiegard (born 22 May 1939) is an Australian water polo player.

He competed at the 1964 Summer Olympics and the 1972 Summer Olympics.

[1] He was awarded with the Medal of the Order of Australia in 2005.

[2] In 2012, he was inducted into the Water Polo Australia Hall of Fame.

This biographical article relating to an Australian water polo figure is a stub.