Peter-Erich Cremer was a German U-boat commander during the Second World War. He was a recipient of the Knight's Cross of the Iron Cross of Nazi Germany.

MV Spreewald was a Hamburg America Line (HAPAG) cargo motor ship that was launched in 1922 and sunk in a friendly fire incident in 1942. She was renamed Anubis in 1935, and reverted to her original name Spreewald in 1939.