Ralph von Rettberg (1 March 1911 – 25 February 2004) was a World War II German Luftwaffe pilot and wing commander.

On 7 April 1931, he began his pilot training at the Deutsche Verkehrsfliegerschule (DVS—German Air Transport School) at Schleißheim.

[4] During the prelude of World War II in August 1939, I. Gruppe of ZG 26 deployed to an airfield at Varel.

[5] On Friday 1 September 1939, German forces invaded Poland starting World War II in Europe.

In October, the Gruppe began equipping with the Messerschmitt Bf 110 C heavy fighter.