German submarine U-519 was a Type IXC U-boat of the Nazi German Kriegsmarine during World War II. She was laid down on 23 June 1941 at the Deutsche Werft yard in Hamburg as 'werk' 334, launched on 12 February 1942 and commissioned on 7 May 1942 under the command of Kapitänleutnant Günter Eppen. After training with the 4th U-boat Flotilla, U-519 was transferred to the 2nd U-boat Flotilla for front-line service on 1 November 1942.