Erich Würdemann (15 January 1914, in Hamburg – 14 July 1943, west of Vigo in the Bay of Biscay) was a German U-boat commander in World War II and recipient of the Knight's Cross of the Iron Cross (German: Ritterkreuz des Eisernen Kreuzes).
The Knight's Cross of the Iron Cross was awarded to recognise extreme battlefield bravery or successful military leadership.