Hans-Werner Kraus (1 July 1915 – 25 May 1990) was a German U-boat commander in the Kriegsmarine of Nazi Germany. He was a recipient of the Knight's Cross of the Iron Cross. Kraus served as 1st watch officer on U-47 from January 1940 until November 1940 having replaced Engelbert Endrass. He later commanded U-83 and U-199. He was on board the latter when it was attacked by Brazilian Air Force aircraft on 27 June 1943. Kraus evaded only to be targeted by a VP-74 Mariner (BuNo 6571) piloted by Lt. Harold C. Carey. The German crew shot it down and the crew were killed.