German submarine U-630

German submarine U-630 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. She was laid down on 23 August 1941 by Blohm & Voss, Hamburg as yard number 606, launched on 12 May 1942 and commissioned on 9 July 1942 under Oberleutnant zur See Werner Winkler.

Service History
The boat's career began with training at 5th U-boat Flotilla on 9 July 1942, followed by active service on 1 April 1943 as part of the 3rd Flotilla for the remainder of her service.

In one patrol she sank two merchant ships, for a total of.

Wolfpacks
U-630 took part in four wolfpacks, namely
 * Löwenherz (1–10 April 1943)
 * Lerche (10–15 April 1943)
 * Specht (22 April – 4 May 1943)
 * Fink (4–6 May 1943)

Convoy HX 231
Convoy HX 231 set out across the Atlantic on 30 March 1943, only one U-tanker, GS U-463 was at sea, and she had sixteen U-boats queuing up to be topped up. These boats formed the wolfpack Löwenherz.

On 4 April GS U-635 attacked and damaged both the British motor vessel Shillong and  British steamer Waroonga. U-630 is credited with finishing off both wounded vessels on the following day.

Fate
U-630 was sunk on 6 May 1943 in the North Atlantic in position 52.51667°N, -44.83333°W, by depth charges from HMS Vidette (D48). All hands were lost.