| Name | Rank | Born | Died | Notes [+ indicates died while crew of boat] |
| Abels | Anton | StGfr | 20.06.1909 | 20.11.1936 | "U-18+ collison with ""T-156""" lost Lübeck Bay |
| Ade | Albert | MaschGfr | | | U-18 |
| 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 |
| Aufschlager | Gerhard | Lt.ing | | | U-18 |
| Bade | Hans-Botho | Lt.z.S.d.R.01.07.41 | 15.11.1909 | 15.12.1942 | U-18. StrmMt.10.05.40-06.10.40. U-69. 2WO.01.41-02.42. U-626+ Cdr.11.06.42-15.12.42 birthplace Hamburg-Blankenese. lost N.Atlantic. serial/entry Crew of X/1939 awards E.K.2. 28.05.40.(Minesweepers). U-boat badge.11.04.41.(U-69). |
| Bärtl | Ernst | | 05.10.1921 | | U-18. U-150 |
| Bartsch | Hans-Jürgen | OLt.z.S.01.12.43 | 31.03.1921 | | U-57. 2WO.01.43-03.43. U-957.1WO.03.43-01.44. U-18. acting Cdr.02.05.44-25.05.44. U-17. Cdr.26.05.44-21.12.44. U-1023. WO.03.45-ende) birthplace Hannover serial/entry Crew of XII/1939 |
| Bastian | Fritz | OLt.ing.LI | 26.10.1911 | 20.11.1936 | "U-18+ collison with ""T-156""" lost Lübeck Bay serial/entry Crew of 1930 |
| Bauer | Max-Hermann son of Hermann Bauer WW1 | KKapt.01.04.39 | 24.07.1912 | 06.04.1940 | U-18. Cdr.30.09.37-01.11.39. U-50+ Cdr.12.12.39-10.04.40. mine birthplace Rüstringen lost N.W.of Shetland Is. serial/entry Crew of 1930 |
| 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 |
| Behrtl | Ernst | | | | U-18 |
| Benzinger | Karl | OMasch | | | U-18 |
| Bischoff | Hermann | OBtsMt | | | U-18. U-201 |
| Bolda | Siegfried | Lt.z.S | 10.08.1923 | | """Z-14"". U-18. U-712. U-472. He had spent three months in the destroyer ""FRIEDRICH IHN"" on convoy work off the French coast, and had also served in U 18 under Oberleutnant zur See ROSENBERG, and in a U-Boat commanded by Oberleutnant zur See PIETSCHMANN. He was promoted Leutnant zur See on 1st January, 1943. On leaving PIETSCHMANN'S boat he went forthwith to Kiel to join U 472 when she was building. The First Lieutenant was considered by most of the ship's company to be the best officer on board. He was to leave the boat after the next patrol. pow.04.03.44." serial/entry Crew of X/1940 |
| Bube | Gerhard | | | | U-18. U-413. U-3525 |
| Budzyn | Sigmund | OLt.z.S.1945 | 01.01.1916 | | U-18. ObBtsMt.01.41-05.41. U-155. ObStrm.08.41-06.43.wounded & hospitalised 06.43-10.43. U-2352. Cdr.11.01.45-05.05.45 birthplace Duisburg serial/entry O.1454/34.S. awards E.K.2. E.K.1. DKiG.19.07.43. Wound Badge in Silver (U-155.14.06.43). |
| Burckhardt | Ludwig | MechMt | | | U-18 |
| Christoffer | Claus | OLt.z.S | | | U-18. 1WO. U-17. U-369 |
| Clausen | Heinz-Ehlert | KpLt.01.07.41 | 12.07.1909 | 24.03.1987 | """WARTHE"".(09.39-10.40). U-18. OStrm. U-101. training.02.41-05.41. U-403. Cdr.25.06.41 to 15.06.43" birthplace Rodewald serial/entry Entry 1932 |
| Czygan | Karl | OMasch | 04.05.1906 | 20.11.1936 | "U-18+ collison with ""T-156""" lost Lübeck Bay |
| Deutschmann | Fritz | OLt.ing | 17.08.1920 | | U-18. LI.Black Sea.(Fleige). U-3505.LI. U-3034 birthplace Biessellen serial/entry Crew of 1939a |
| Domgörgen | | FkGfr | | | U-18 |
| Drews | Willi | StBtsm | | 02.02.1987 | U-56. U-10. U-16. U-18. U-19. U-93 |
| Ehrig | Alfred | StHeizer | 26.04.1914 | 20.11.1936 | "U-18+ collison with ""T-156""" lost Lübeck Bay |
| Ehrlich | Hans-Dietrich | OLt.ing | 04.10.1916 | 24.06.1943 | U-18. U-194+ lost S.S.W.of Reykjavik |
| Enders | Gert | MaschOGfr.(diesel) | | | U-18 |
| Erich | | OStrm | | | U-18. U-48 |
| Fleige | Karl | OStrm-KpLt.(Kr.O).20.04.45 | 05.09.1905 | 16.02.1975 | U-20. StOStrm(05.38-04.40). U-123. StOStrmWO.(05.40-08.41). U-18. Cdr.(12.42-08.44). U-4712. Cdr.(05.45) birthplace Hildesheim serial/entry Enlisted 1924 awards DKiG. 08.10.43. Knights Cross.18.07.44. |
| Geletiuk | Josef | | | | U-18 |
| Golla | Eberhard | OStrm | | | U-9. U-18. U-20. U-971. Pow.24.06.44 |
| Gross | Kurt | MtrGfr | | | U-18 |
| Grundmann | | MtrOGfr | | | U-18 |
| Grütz | Hans | MaschMt.(D) | | | U-18 |
| Hanske | Martin | StOStrm(01.07.42) | 18.11.1911 | 27.08.1943 | U-50. (18.11.39-26.12.39). U-18. (27.12.39-Apr 40). U-58. (May -Aug 40). U-94. (24.08.40-19.11.41). U-847+ (21.06.42-27.08.43) birthplace Geithain lost Sargasso Sea serial/entry 27.10.1931 |
| Heilmann | Udo | KKapt | 04.03.1913 | 20.11.1970 | U-18. 1WO.(06.37--10.39). U-24. Cdr.(11.39-08.40). U-97. Cdr.(09.40-05.42) birthplace Kiel serial/entry Crew of 1933 |
| Heimann | Reinhold | MaschOGfr.(diesel) | | | U-18 |
| Hempel | Werner | MechGfr(torp) | | | U-18 |
| Hille | August | MaschMt.(Z) | | | U-18 |
| Hürter | Heinz | | 15.05.1909 | 30.10.1991 | U-7. U-12. U-14. U-17. U-18. U-53 birthplace Danzig |
| Jahnke | Rudolf | MtrGfr | 11.11.1922 | | U-18. U-335. pow.03.08.42 UK.only surv birthplace Freistadt |
| Johannsen | Brar | Lt.z.S | 27.08.1923 | 00.00.2009 | U-431. Fahnr. U-18. 2WO. U-3024 lost Leck |
| Kloss | Heinz | MaschMt | | | "U-1. U-18. U-96. LI.on Merchant ship ""Johann Christen Schulte"" in the 1970's." |
| Knaup | Hermann | OLt.z.S | | | U-6. U-18. U-560. U-841. 1WO. Pow.17.10.43 |
| Kretzler | Viktor | BtsMt (Nr2) | | | U-18 |
| Kreutziger | Herbert | OMasch | | 26.02.2011 | U-2. U-09. U-11. U-12. U-18. U-192. U-441. Surv lost Rosenheim |
| Kröpelin | Heinz | MtrOGfr | | | U-18 |
| Lichtenberg | Philipp | KpLt.ing.01.10.44 | 09.09.1909 | 14.12.1993 | U-10. MaschMt(09.35-03.36). U-16. (03.37-10.37). U-18. Omasch(10.37-06.40). U-96. Lt.ing.(10.40-11.40). U-652. OLt.ing.(04.41-12.41). U-37. (04.42-03.43). U-516. (05.43-05.45) birthplace Koblenz Moselweiß serial/entry Crew of 1928 awards E.K.2. 23.11.39. E.K.1. 11.11.41. DKiG. 25.03.44. R.K. 31.03.45. |
| Linder | Hans-Heinz | KpLt.01.10.40 | 11.02.1913 | 16.09.1944 | U-18. Cdr.(09.40-12.40). U-96. (01.41-03.41). U-202. Cdr.(03.41-01.09.42). 25 U-Fl+ air raid birthplace Otterberg lost Libau serial/entry Crew of 1933 |
| Lohner | Willi-Edmund | Kkapt.ing.01.08.43 | 17.07.1902 | 05.12.1981 | U-18. U-21. U-32. U-48. L.I.(04.39-40) birthplace Karlsruhe serial/entry Crew of 1921/30 |
| Maier | Hans | FkOGfr | | | U-18 |