German submarine U-145 was a Type IID U-boat of the Nazi German Kriegsmarine during World War II. She was laid down on 29 March 1940 at Deutsche Werke in Kiel as 'werk' 274, launched on 21 September and commissioned under the command of Oberleutnant Heinrich Driver. Her service was carried out, first with the 1st U-boat Flotilla then the 22nd flotilla; she stayed with the latter organization for most of her career.