German submarine U-187 was a Type IXC/40 U-boat of Nazi Germany's Kriegsmarine built for service during World War II.Her keel was laid down on 6 August 1941 by DeSchiMAG AG Weser in Bremen as yard number 1027. She was launched on 16 March 1942 and commissioned on 23 July with Kapitänleutnant Ralph Münnich in command. The U-boat's service began with training as part of the 4th U-boat Flotilla. She then moved to the 10th flotilla on 1 January 1943 for operations. She was sunk by two British destroyers on 4 February 1943.