Unterseeboot 463 (U-463) was a Type XIV U-boat ("Milchkuh") of the Kriegsmarine. Her keel was laid down March 8, 1941 by Deutsche Werke of Kiel. She was commissioned April 2, 1942 with Korvettenkapitän Leo Wolfbauer in command. Wolfbauer remained in command for the boat's entire career.

U-463 conducted five patrols. As a supply boat, she avoided combat. On May 16, 1943, in the Bay of Biscay, U-463 was sunk with all hands (57 dead) by depth charges from a British Handley-Page Halifax aircraft.

See Also: List of U-boats