German submarine U-259 was a Type VIIC U-boat of the Nazi German Kriegsmarine during World War II. The submarine was laid down on 25 March 1941 at the Bremer Vulkan yard at Bremen-Vegesack, launched on 30 December 1941, and commissioned on 18 February 1942 under the command of Kapitänleutnant Klaus Köpke. After training with the 5th U-boat Flotilla at Kiel, U-259 was transferred to the 3rd U-boat Flotilla, based at La Pallice, France, for front-line service from 1 September 1942.