Type: II-D
Built by: Deutsche Werke (Kiel)
Launched: 21 September, 1940
Commissioned: 16 October, 1940
Feldpost Nr.: M26997
Sunk: 1945/46
Sunk by: Her crew Operation Deadlight
Location sunk: NW of Ireland
Position sunk: not applicable (no men lost)

Skippers of U-145 include Heinrich Driver until December 1940 who also commanded U-20, U-23 and U-371; Rudolf Franzius to October 1941 who also commanded U-438; Heinz Schomburg until November 1941 who also commanded U-561; Reimer Ziesmer until December 1942 who also commanded U-236 and U-591; Hübschen ‘til May 1944 who also commanded U-2501 & U-2542; Hübsch until November 1944 who also commanded U-78 and Görner to the end of the war.

U-145 operated as a Frontboot (combat boat) and was attached to the 1st U-Bootflottille until December 1940, then in August 1941 she was transferred to the 22nd U-Bootflottille as a Schulboot (training boat). She was surrendered in May 1945, and was transferred to the British on 30 June 1945.

U-145 attacked no shipping during the war.