German submarine U-548
 German submarine U-548 was a Type IXC U-boat of Nazi Germany's Kriegsmarine during World War II.She was laid down at the Deutsche Werft (yard) in Hamburg as 'werk' 369 on 4 September 1942 launched on 14 April 1943 and commissioned on 30 June with Kapitänleutnant Eberhard Zimmermann in command.U-548 began her service career with training as part of the 4th U-boat Flotilla from 30 June 1943.