rank: Maat) Wilhelm Heidkamp (20 January 1883 – 5 October 1931) was a German sailor who fought in World War I. Heidkamp was born in Herkenrath and joined the Imperial German Navy as a machinist in 1902.

He was a Petty Officer (equiv) on Seydlitz during the Battle of the Dogger Bank in January 1915.

During the battle, the ship was hit by gunfire from HMS Lion that knocked out both rear turrets and caused a serious propellant fire.

[1][2] After his recovery, Heidkamp continued to serve on Seydlitz until its scuttling in Scapa Flow on 21 June 1919.

[1] The German Type 1936 destroyer Z21 Wilhelm Heidkamp was named in his honour.