| Name | Rank | Born | Died | Notes [+ indicates died while crew of boat] |
| Albrecht | Heinz | MaschOGfr | 29.05.1923 | | U-23 |
| Arendt | Rudolf | OLt.z.S.01.05.44 | 25.01.1923 | | U-18. 1WO.01.43-12.43. 1WO.03.44-05.44.acting. Cdr.25.05.44-07.06.44. U-23. Cdr.20.06.44-10.09.44. Interned Turkey. Bunndesmarine Konteradmiral Chief of MOD forces staff (Fü S) 1980-1983 birthplace Ballenstedt, Thüringen serial/entry Crew of 1940 |
| Bahr | Horst | MtrOGfr | 05.05.1924 | | U-23.? To 10.09.44. interned Turkey birthplace Grieslienen serial/entry UN.22379/41.S. |
| Bauda | Alfred | | | 00.00.1998 | U-6. U-23. U-137 |
| Beduhn | Heinz-Günther-Rud | KKapt.01.08.40 | 11.08.1907 | 03.08.1940 | U-18. Cdr.30.09.37-31.10.37. U-23. Cdr.03.04.40-19.05.40. U-25+ Cdr.20.05.40-03.08.40 birthplace Berlin lost N. of Terschelling serial/entry Crew of 1926 |
| Bernsdolf | Herbert | OMechMt | 11.07.1920 | | U-23. To 10.09.44. interned Turkey birthplace Bromberg serial/entry UO.267/40. |
| Biedermann | Rolf | MechMt | | | U-23. U-93 |
| Bierwirth | Heinrich | OStrm | 28.10.1916 | | U-23. ? To 10.09.44.interned Turkey birthplace Berka serial/entry UN.1250/36.S. |
| Bromisch | | MtrOGfr.(cook) | | | U-23 |
| Brozulat | Wilhelm | MtrOGfr | 04.02.1923 | | U-23. 10.09.44. interned Turkey birthplace Remscheid serial/entry UN.23058/41.S. |
| Bruhn | Heinz | MechMt | 07.04.1915 | 10.04.2003 | U-13. MechGfr. U-23. MechMt |
| Brüller | Ernst-Ulrich | KpLt.01.04.43 | 23.09.1917 | 28.02.1997 | U-4. 1WO.03.40-04.40. U-28. 2WO.05.40-11.40. 1WO.11.40-12.40. U-7. Cdr.01.41-02.41. U-23. Cdr.21.03.41-23.09.41. U-407. Cdr.18.12.41-06.01.44 birthplace Opeln, Silesia serial/entry Crew of 1936 |
| Claussner | Fritz | OLt.ing.LI. (01.04.42) | | | U-23. (July 43) serial/entry Crew of X/1937 |
| Czekala | Herbert | FkOGfr | 17.07.1924 | | U-23. To 10.09.44. interned Turkey birthplace Buchum serial/entry UN.57258/42. |
| Dierks | Hans-Joachim | OLt.z.S.1945 | 16.07.1923 | | U-752. U-572. U-23. training. U-978. WO.1943. U-739. 1WO.43-05.44. U-14. Cdr.02.07.44-06.03.45. U-137. Cdr.03.45-02.05.45 birthplace Georgsmarienhütte, Osnadrück serial/entry Crew of 1940 |
| Dietze | Helmut | OMechMt | 17.02.1917 | 01.01.1981 | U-23. U-565 birthplace Lansa / Sachsen awards DKiG. 13.04.43. |
| Dohrn | Walter | MtrGfr | 23.04.1922 | | U-23. To.10.09.44.interned Turkey birthplace St.Magarethen serial/entry UN.10241/43. |
| Dorn | Walter | MtrOGfr | 23.04.1922 | | U-23 |
| Driver | Heinrich | KKapt.01.04.45 | 10.07.1912 | 20.11.1980 | U-13. 1WO.10.38-01.40. U-20. Cdr.(04.40-05.40). U-23. Cdr.20.05.40-30.09.40. U-145. Cdr.16.10.40-18.12.40. U-371. Cdr.15.03.41-25.03.42 birthplace Sonderburg, Alsen serial/entry Crew of 1933 awards DKiG. 06.08.42.(U-371). |
| Eggert | Karl-Erhard | MaschMt | 11.04.1924 | | U-23. ? To 10.09.44.interned Turkey birthplace Weberin serial/entry UO.7086/41.T. |
| Felgenträger | Karl | | 24.12.1911 | 28.05.1984 | U-45. U-9. U-21. U-23. U-46 |
| Flehmer | | Maat | | | U-23 |
| Franzius | Rudolf | KKapt.01.10.44 | 05.06.1911 | 05.10.1965 | """KARLSRUHE"".2.A.O.(09.39-04.40). ""GNEISENAU"".3.A.O.(04.40-06.40). U-23. Training. U-145. Cdr.(12.40-10.41). U-438. Cdr.(11.41-03.43)." birthplace Hamburg serial/entry Crew of 1932 |
| Gassler | Hans | MaschGfr | 06.05.1923 | | U-23. To 10.09.44. interned Turkey birthplace Chemnitz serial/entry UO.4638/41.T. |
| Geuting | Karl | OMaschMt | 09.04.1922 | | U-23. To 10.09.44.interned Turkey birthplace Bocholt serial/entry UN.4157/39.T. |
| Godt | Eberhard | K.Adm.01.03.43 | 05.08.1900 | 13.09.1995 | U-25. Cdr. (04.36-08.36). U-23. Cdr.(09.36-01.38) birthplace Lübeck serial/entry Crew of VII/1918 awards DKiG. 10.02.42. |
| Gräf | Ulrich | KpLt.01.01.43 | 15.12.1915 | 17.02.1943 | """NURNBERG"".(01.40-05.40). ""ILTIS"".2.W.O.(05.40-10.40). U-74. 1WO.(04.41-08.41). U-23. Cdr.(09.41-03.42). U-69+ Cdr.(03.42-02.43)." birthplace Dresden lost E.of Newfoundland. 50.36N. 41.07W . serial/entry Crew of 1935 |
| Grandjean | Hans-Hugo | OLt.ing.LI. KpLt.ing.(01.12.42) | 04.10.1916 | | U-9. U-23. (Jan 40). U-13. Pow.31.05.40. Camp 17. Pow.No15700.Released 21.02.47 serial/entry Crew of 1935 |
| Grässler | Hans | MaschOGfr | 06.04.1923 | | U-23 |
| Grundmann | Wilhelm | KpLt.(MN).01.03.45 | 14.04.1909 | | 1st U-Flot.(10.38-04.40).U-23.(05.41-02.43) birthplace Niederssalzhrunn serial/entry Crew of 1929 |
| Grünsteidel | Fritz | | | | U-23 |
| Hanke | Georg | | 21.12.1917 | | U-17. U-23 birthplace Delitsch |
| Heidelberg | Hans-Georg | OFkMt | 01.05.1920 | | U-23. 10.09.44.interned Turkey birthplace Rustringen serial/entry UO.3649/40. |
| Hesse | Fritz | OMasch | 14.12.1918 | | U-20. U-23 |
| Holtz | Werner | Lt.ing | | | U-23 serial/entry Crew of 1934 |
| Hrabak | Ewald | BtsMt | 11.02.1920 | | U-34. U-23. To 10.09.44.interned Turkey birthplace Homberg. serial/entry UN.1464/41.S. |
| Imig | Karl-Richard | OLt.ing | 13.03.1918 | 16.11.1942 | U-7. U-21. U-23. U-173+ serial/entry Crew of 1936 |
| Kleinwächter | Alfred | MtrOGfr | | | U-23 |
| Knebel-Doberitz von | Hans-Joachim | KpLt. | 02.01.1918 | 31.01.2002 | U-23. Lt. U-58. Lt. U-99. ObLt pow 17.03.41 |
| Köhler | Hans | | | | U-23. U-382. U-650. U-1203. (May.45) |
| Köhler | Otto | MaschOGfr | 12.05.1923 | | U-23. To 10.09.44.interned Turkey birthplace Heinenheim. serial/entry UN.15050/43.D. |
| Kratzenberg | Karl-Heinz | Lt.z.S | 26.02.1924 | | U-23. 2WO. to 10.09.44 |
| Kretschmer | Otto | FKapt | 01.05.1912 | 05.08.1998 | U-35. 1WO.(11.36-09.37). U-23. Cdr.(10.37-04.40). U-99. Cdr.(04.40-03.41) pow.17.03.41. Bundersmarine Flottillenadmiral birthplace Heidau Liegnitz. lost Bavaria serial/entry Crew of 1930 awards U-boat Badge. 09.11.39.(U-23). E.K.2. 17.10.39. E.K.1. 17.12.39. Knights Cross.04.08.40. Oak leaves.04.11.40. Swords.26.12.41. |
| Kühn | Helmut | | 23.04.1919 | 11.11.2001 | U-7. U-23. U-371. U-441. U-795. U-1407 |
| Kuppisch | Herbert | KpLt.01.11.39 | 10.12.1909 | 27.08.1943 | U-2. WO.(05.37). U-29. 2WO.(05.37). U-9. U-23. U-58. Cdr.(02.39-06.40). U-94. Cdr.(08.40-08.41). U-516. Cdr.(06.43). U-847+ Cdr.(06.43-08.43) birthplace Hamburg lost Sargasso Sea serial/entry Crew of 1933 awards E.K.2. 05.12.39. E.K.1. 04.05.40. R.K.14.05.41. |
| Lanjus-Wellenburg | Wilhelm | OStrm | 25.08.1921 | | U-23. U-48. U-96. U-203. U-748. U-2535. U-4713 |
| Lemke | Horst | MtrOGfr | 21.06.1925 | | U-23. To 10.09.44. interned Turkey birthplace Konigsberg serial/entry UO.23021/43. |
| Lenzmann | Dieter | OLt.z.S.d.R | 14.09.1918 | 00.00.1973 | U-24. WO.(07.44) Cdr.(07.44-08.44). U-23. U-3522. Cdr.(01.45-05.45) birthplace Hamburg serial/entry Entry X/1939 |
| Limberger | Walter | MechOGfr | 04.10.1924 | | U-23. To 10.09.44.Interned Turkey birthplace Donaueschingen serial/entry UO.34899/42. |
| Looff | Hans-Günther | KKapt.01.01.40 | 10.02.1906 | 00.06.1940 | U-9. Cdr.(08.35-1937). U-28. U-23. U-122+ Cdr.(03.40-06.40) missing birthplace Berlin serial/entry Crew of 1925 |