The German torpedo boat T23 was one of fifteen Type 39 torpedo boats built for the Kriegsmarine during World War II. Completed in mid-1942, the boat was stationed in France later that year where she escorted blockade runners and U-boats through the Bay of Biscay. T23 also laid minefields in the English Channel in mid-1943. She participated in the Battle of Sept-Îles and the Battle of the Bay of Biscay later that year, neither receiving nor inflicting any damage.

The Type 1939 torpedo boats, also known as the Elbing class by the Allies, were a group of 15 torpedo boats that were built for Nazi Germany's Kriegsmarine during World War II.