| Peter-Erich Cremer | |
| Birth Date: | 25 March 1911 |
| Birth Place: | Metz, Alsace-Lorraine |
| Death Place: | Hamburg, Germany |
| Nickname: | Ali |
| Serviceyears: | 1932–45 |
| Rank: | Korvettenkapitän |
| Commands: | |
| Unit: | cruiser Köln Panzerschiff Deutschland destroyer Theodor Riedel |
| Battles: | World War II |
| Awards: | Knight's Cross of the Iron Cross |
Peter-Erich Cremer (25 March 1911 – 5 July 1992) 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.
Peter-Erich Cremer was born in Metz, Alsace-Lorraine, on 25 March 1911. After high school, Cremer enlisted in the Reichsmarine in 1932. After serving on cruisers and destroyers, Cremer became captain in February 1940. He received the Iron Cross 2nd class. He was promoted to the rank of submarine commander in August 1940, and was given U-152. He commanded the from 25 August 1941 to 6 October 1942 and again from 18 May 1943, to 19 July 1944. On 31 January 1942 he mistakenly attacked and sunk ; he was court-martialed and found not guilty.
After several victorious trips, he received the Knight's Cross of the Iron Cross (Ritterkreuz des Eisernen Kreuzes) on 5 June 1942, and in that same year was severely wounded. He sailed again from 1943 until July 1944, before giving his boat to his lieutenant. In November 1944, Cremer, now Lieutenant Commander, aimed to convey the new submarine U-2519 Class XXI. Citing "several design flaws", Cremer scuttled the submarine at Kiel, in May 1945. As the War drew to a close, he was attached to the personal security unit of Karl Dönitz. In this role he was involved in the incident in which Kapitän zur See Wolfgang Lüth was shot to death by a German sentry.
Peter-Erich Cremer appeared in Episode 10: 'Wolf Pack: U-Boats in the Atlantic' of the British television documentary The World at War in the early 1970s. Later he recounted his life in his books U-333: The story of a U-boat ace and U-Boat Commander: a periscope view of the Battle of the Atlantic. He died in Hamburg on 5 July 1992.
As commander of U-333 Cremer sank six merchant ships totalling, damaged another, and also engaged and damaged the .
| Date | Ship | Nationality | Tons | Convoy | Fate and location | |
|---|---|---|---|---|---|---|
| 22 January 1942 | Vassilios A. Polemis |  Greece | 3,429 | ON-53 | Sunk at | |
| 24 January 1942 | Ringstad |  Norway | 4,765 | ON-55 | Sunk at | |
| 31 January 1942 | 5,083 | Sunk at | ||||
| 6 May 1942 | Amazone |  Netherlands | 1,294 | Sunk at | ||
| 6 May 1942 | Halsey |  United States | 7,088 | Sunk at | ||
| 6 May 1942 | Java Arrow | United States | 8,327 | Damaged at | ||
| 10 May 1942 | Clan Skene |  United Kingdom | 5,214 | Sunk at | ||
| 6 October 1942 | 925 | Damaged at |
| 15 August 1932: | Offiziersanwärter (Officer Candidate) | |
| 1 January 1934: | Fähnrich zur See (Officer Cadet) | |
| 1 September 1935: | Oberfähnrich zur See (Senior Ensign) | |
| 1 January 1936: | Leutnant zur See (Second Lieutenant) | |
| 1 October 1937: | Oberleutnant zur See (First Lieutenant) | |
| 2 February 1940: | Kapitänleutnant (Captain Lieutenant) | |
| 11 July 1944: | Korvettenkapitän (Corvette Captain) |