German submarine U-1276 was a Type VIIC/41 U-boat of the German Navy, built for service during World War II. She was laid down at Bremer Vulkan of Bremen-Vegesack on July 13, 1943. She was commissioned April 6, 1944 with Oberleutnant Karl Heinz Wendt in command. U-1276 was equipped with a submarine snorkel (underwater-breathing apparatus) when she sailed on her last cruise.