Egon-Reiner Freiherr von Schlippenbach (10 April 1914 – 11 May 1979) was a Korvettenkapitän with the Kriegsmarine during World War II and commander of U-121 and U-453. He is also a recipient of the Knight's Cross of the Iron Cross. Egon-Reiner Freiherr von Schlippenbach is credited with the sinking of four ships for a total of 15,850 tons of Allied merchant shipping.