| Karl-Ernst Schroeter | |
| Birth Date: | 3 December 1912 |
| Birth Place: | Freystadt, Silesia, Germany |
| Death Place: | North Atlantic ocean |
| Serviceyears: | 1934–1943 |
| Rank: | Korvettenkapitän |
| Commands: | |
| Battles: | World War II |
Karl-Ernst Schroeter (3 December 1912 – 23 May 1943) was a Korvettenkapitän with the Kriegsmarine during World War II and commander of and . Schroeter is credited with sinking eight ships, all in U-752, for .[1]
Schroeter commissioned the new Type IIB U-boat on May 28, 1940 and served as her first commanding officer until March 30, 1941. The U-121 spent her entire career as training vessel and Schroeter saw no combat in her. From the U-121 Schroeter moved on to the new Type VIIC, which was commissioned on May 24, 1941. Schroeter would command the U-752 for the next two years until its sinking and his death on May 23, 1943.[2]
| Date | Ship | Tonnage | Nationality | Convoy | Fate | |
|---|---|---|---|---|---|---|
| 25 August 1941 | T-898 (No 44) | 553 | Sunk | |||
| 15 November 1941 | T-889 (No 34) | 581 | Sunk | |||
| 21 April 1942 | West Imboden | 5,751 |  United States | Sunk | ||
| 23 April 1942 | Reinholt | 4,799 |  Norway | Damaged | ||
| 1 May 1942 | Bidevind | 4,956 | Norway | Sunk | ||
| 23 July 1942 | Garmula | 5,254 |  United Kingdom | Sunk | ||
| 27 July 1942 | Leikanger | 4,003 | Norway | FN-20 | Sunk | |
| 9 August 1942 | Mendanau | 6,047 |  Netherlands | Sunk | ||
| 13 August 1942 | Cripple Creek | 6,347 | United States | Sunk |