Friedrich Karl Topp (29 September 1895 – 24 April 1981) was a naval officer in Germany during both World Wars.
He joined the Imperial German Navy in 1914 and took part in World War I in the U-Boat service.
In the Third Reich he was Generalreferent (chief-official in charge) for military problems of shipbuilding, later on chief of military department at the main office of warship building, an administrative body of the Marineamt (highest command of the Kriegsmarine) and from 15 January 1941 to 24 February 1943 as Kapitän zur See (KzS, captain) the first commander of the German battleship Tirpitz.
Later, he was the chairman of the commission for shipbuilding reporting to the Reichsminister für Rüstung und Kriegsproduktion Albert Speer (Minister of Armament and War Production); his last rank was Vizeadmiral (vice admiral).
After this, for nearly ten years he worked as a commercial representative, living in Jever, Lower Saxony, where he died after retirement.