German submarine U-352 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 11 March 1940, at the Flensburger Schiffbau-Gesellschaft yard at Flensburg, launched on 7 May 1941, and commissioned on 28 August 1941, under the command of Kapitänleutnant Hellmut Rathke. She was part of the 3rd U-boat Flotilla, and was ready for front-line service by 1 January 1942.