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List of all U-boat Commanders
A - B - C - D - E - F - G - H - I - J - K - L - |
J
 | Kurt JäckelBorn on 6 Dec, 1919 in Lozzöhnen, East Prussia.Crew VII/39. Oberleutnant zur See (1 Oct, 1944) Commands: |
| Paul JacobsBorn on 23 Mar, 1915 in Lübeck.Crew 34. Oberleutnant zur See (1 Jul, 1944) Died on 25 May, 1980 Commands: |
| Nikolaus von JacobsBorn on 5 Jan, 1913 in St Petersburg, Russia.Crew 33. Korvettenkapitän (1 Dec, 1943) Died on 8 Dec, 1942, south of Iceland. Commands: |
| Bernhard JaekBorn on 14 Oct, 1918 in Zlotnitz, Posen.Crew 37b. Kapitänleutnant (1 Jan, 1945) Commands: |
| Walter JägerBorn on 27 May, 1897 in Zeuenroda, Thüringen.Crew 43. Oberleutnant zur See (1 Jul, 1944) Commands: |
 | Gunter JahnBorn on 27 Sep, 1910 in Hamburg.Crew 31. Korvettenkapitän (1 Nov, 1943) Knights Cross winner (30 Apr, 1943) Died on 12 Apr, 1992 Commands: |
 | Walther JahrmärkerBorn on 23 Sep, 1917 in Marburg.Crew 35. Kapitänleutnant (1 Jun, 1942) Died on 22 Oct, 1942, North Atlantic. Commands: |
 | Gustav-Adolf JanssenBorn on 9 Apr, 1915 in Blankenese, Hamburg.Crew 36. Kapitänleutnant (1 Apr, 1943) Died on 15 Nov, 1978 |
| Heinz JaschkeBorn on 16 Jul, 1920 in Landau.Crew X/39. Oberleutnant zur See (1 Sep, 1943) Died on 31 Jan, 1944, North Atlantic. Commands: |
 | Johann JebsenBorn on 21 Apr, 1916 in Pellworm.Crew 35. Kapitänleutnant (1 Jul, 1942) Died on 23 Sep, 1944, Indian Ocean, Strait of Malacca. |
 | Hans JenischBorn on 19 Oct, 1913 in Gerdauen, East Prussia.Crew 33. Kapitänleutnant (1 Nov, 1940) Knights Cross winner (7 Oct, 1940) Died on 29 Apr, 1982 Commands: |
| Karl-Heinrich JenischBorn on 20 Apr, 1910 in Gerdauen, East Prussia.Crew 29. Kapitänleutnant (1 Jul, 1938) Died on 27 Mar, 1940, Skagerrak. Commands: |
| Kurt JensenBorn on 23 Feb, 1918 in Flensburg.Crew 37a. Oberleutnant zur See (1 Sep, 1941) Died on 7 Apr, 1943, Norwegian Sea. Commands: |
| Karl-Joachim JenssenBorn on 31 Jul, 1920 in Waren, Müritz.Crew 38. Oberleutnant zur See (1 Apr, 1943) Died on 3 Jun, 1944, Norwegian Sea. Commands: |
| Harald Jeppener-HaltenhoffBorn on 20 Sep, 1907 in Schaalhof, Mecklenburg.Crew 33. Korvettenkapitän (1 Sep, 1943) Died on 19 Jun, 1984 |
| Hubert JeschkeBorn on 24 Apr, 1921 in Neustettin.Crew X/39. Oberleutnant zur See (1 Oct, 1943) Died on 31 May, 1994 Commands: |
| Wolf JeschonnekBorn on 13 Jul, 1919 in Liegnitz.Crew 38. Oberleutnant zur See (1 Jan, 1943) Commands: |
| Ralf von JessenBorn on 25 Feb, 1917 in Kandy, Ceylon.Crew 35. Kapitänleutnant (1 Jun, 1942) Died on 15 May, 1943, North Atlantic. |
| Erwin JestelBorn on 31 Mar, 1923 in Peuker, Habelschwerdt.Crew 40. Oberleutnant zur See (1 Oct, 1944) Died on 7 Jul, 1985 |
| Erich JewinskiBorn on 10 Mar, 1920 in Friedrichsort, Kiel.Crew 38. Oberleutnant zur See (1 Apr, 1943) Died on 21 Apr, 1945, Kiel. |
| Karl JobstBorn on 24 Apr, 1913 in Stralsund.Crew 36. Oberleutnant zur See (1 Jun, 1944) Commands: |
| Johann JohannBorn on 4 Sep, 1909 in Düsseldorf.Crew 27/39. Oberleutnant zur See (1 Jul, 1943) Commands: |
| Hans JohannsenBorn on 3 Jun, 1910 in Hamburg-Bergedorf.Crew 35. Oberleutnant zur See (R) (1 Nov, 1942) Commands: |
| Alfred JohnBorn on 5 May, 1920 in Altenkirchen, Westerwald.Crew 38. Oberleutnant zur See (1 Apr, 1943) Died on 19 Jan, 2000 Commands: |
| Günther JordanBorn on 12 Feb, 1919 in Bremen.Crew 37b. Oberleutnant zur See (1 Apr, 1942) Died on 23 Oct, 1943, south-west of Iceland. Commands: |
| Herbert JuliBorn on 8 Jun, 1916 in Tientsin, China.Crew 35. Kapitänleutnant (1 Jun, 1942) Died on 29 Aug, 1994 Commands: |
 | Ottoheinrich JunkerBorn on 12 Jul, 1905 in Freiburg, Breisgau.Crew 24. Fregattenkapitän (1 Jun, 1943) Died on 28 Jul, 2000 |
| Ralf JürsBorn on 7 May, 1919.Crew 37b. Kapitänleutnant (1 Mar, 1945) Commands: |
| Harald JürstBorn on 18 Mar, 1913 in Wilhelmshaven.Crew 32. Kapitänleutnant (1 Jan, 1940) Died on 28 Nov, 1940, North Atlantic. |
| Paul JustBorn on 24 Dec, 1915 in Hamburg.Crew 36. Kapitänleutnant (1 Aug, 1943) |
| Friedrich JustiBorn on 10 Apr, 1919 in Karlsruhe.Crew 37b. Kapitänleutnant (1 Jan, 1945) Commands: |
31 U-boat Commanders located