Wilhelm Leichum (12 May 1911, Neu-Isenburg, Grand Duchy of Hesse – 19 July 1941, Gorky) was a German athlete who competed mainly in the long jump and 100 metres.

He competed for Germany in the 1936 Summer Olympics held in Berlin, Germany in the 4 x 100 metre relay where he won the bronze medal with his team mates Erich Borchmeyer, Erwin Gillmeister and Gerd Hornberger.

[1] He was European Champion in the long jump both in 1934 and 1938.

He was killed in action during World War II in 1941, July 19.

This article about an athletics Olympic medalist for Germany is a stub.