| Name | Rank | Born | Died | Notes [+ indicates died while crew of boat] |
| Albrecht | Paul | MtrGfr | 11.06.1923 | | U-81 |
| Andersen | Klaus | KpLt.01.01.45 | 19.10.1918 | | """Z-2"".(12.39-04.40). U-81. 1WO.07.42-04.43. U-708. Cdr.06.43-29.02.44. U-481. Cdr.01.03.44-surren pow Camp.18. Pow.No.132166." birthplace Wilhelmshaven serial/entry Crew of 1937b |
| Arnemann | Rudi | | | | U-81 |
| Berth | Günter | OBtsMt | 10.05.1919 | 31.05.1945 | U-81 buried Kopenhagen West Block 6. Row 1. Grave 6. |
| Bork | Albert | OStrm | 29.01.1913 | | "U-81. U-231. 31 years old, was outstanding from a point of service. He had made a total of 15 patrols, although U231's last patrol was his first patrol on her. Previously he had served with Kapitänleutnant Guggenberger on U81. He had been decorated with the German Cross in Gold. Pow.1301.44. Picked up by USS Bulmer." serial/entry 250F/36.S. awards DKiG. 07.01.44. |
| Bösl | Johann | BtsMt | 14.03.1920 | | U-81 |
| Brudereck | Rudolf | MechMt | | | U-14. U-81. U-88 awards DKiG. 23.03.43.(U-88). |
| Dannehl | Erwin | MaschMt | 15.11.1919 | | U-71. U-81. U-562 awards DKiG. 18.12.43.(U-562). |
| Dannenberg | Wilhelm | | | | U-28. U-81. U-302. U-3016 |
| Dübler | Rudolf | OLt.z.S.01.12.43 | 12.10.1921 | | U-203. training.05.41-09.41. U-83. training.09.41-11.41. U-464. WO.05.42-06.42. U-81. 2WO.07.42-04.43.1WO.04.43-08.43. U-1101. Cdr.10.11.43-05.05.45 birthplace Greiz, Thüringen serial/entry Crew of XII/1939 |
| Eigner | Rudi | MtrOGfr | 27.02.1923 | | U-81 |
| Förster | Gerhard | MtrOGfr | 21.10.1923 | | U-81 |
| Fritz | Josef | OBtsMt | 21.08.1919 | 05.06.1992 | U-81. U-231 birthplace Duisburg lost Duisburg awards U-boot Badge, E.K.2. 23.09.41. U-Frontspange 01.10.44. M.S. Abz 01.05.45. |
| Fröhlich | Heinz | MaschMt | 19.12.1921 | 15.12.2003 | U-81. 23 U-Fl birthplace Jena |
| Fuhrmeister | | MtrGfr | 16.07.1922 | | U-81 |
| Furlau | Walter | MaschMt | 19.09.1919 | | U-81 birthplace Schwelm serial/entry 1892/38.T. |
| Ganss | Philipp | BtsMt | | | U-81. U-295 awards DKiG. 26.12.44.(U-295). |
| Geiger | Alfred | MaschMt | 20.09.1919 | 19.02.1943 | U-81. U-562+ birthplace Lahr / Schw. lost Med. N.E.of Bengazi serial/entry 1287/37.T. |
| Gläser | Harry | MechGfr | 01.06.1924 | | U-81 |
| Glowka | Helmut | OStrm | | | U-81. U-2519 |
| Gluth | Ernst | MaschOGfr | 13.01.1923 | | U-81 |
| Gornig | Werner | FkMt | | | U-81. surv awards DKiG.23.03.43. |
| Gottschalk | Karl-Heinz | FkMt | 15.11.1922 | 00.07.2000 | U-81. U-407. Pow.09.09.44 |
| Grahl | Hans | | | | U-81 |
| Grobler | Rudolf | MaschMt | 02.01.1920 | | U-81 |
| Guggenberger | Friedrich | KpLt | 06.03.1915 | 13.05.1988 | U-28. 1WO(01.40-11.40) Cdr(16.11.40-11.02.41). U-81. Cdr.(26.04.41-24.12.42). U-847. Cdr.(23.01.43-04.02.43). U-513. Cdr.(15.05.43-19.07.43) pow. Bundesmarine Konteradmiral Chief of Staff NATO command AFNORTH birthplace Munich serial/entry Crew of 1934 awards Knights Cross.10.12.41. Oak Leaves.08.01.43. |
| Hauschild | Helmar | MaschMt | | | U-81. U-1063. pow.15.04.45 |
| Heckel | Kurt | MaschMt | 31.07.1921 | | U-81 |
| Hentschel | Otto | OMasch | 26.10.1918 | | U-81 |
| Jäppelt | Gottfried | MaschMt | 22.06.1915 | 11.06.1981 | U-81 birthplace Pretschendorf serial/entry 1657/37.T. |
| Klippert | Willi | OLt.ing | 08.05.1919 | 19.08.1944 | U-81. U-407. 29 U-Fl+ buried Dagneux (France). Block 41. Grave 148. |
| Klischies | Heinz | MaschGfr | 21.12.1919 | 09.01.1944 | U-81+ US bombs. Unknown survivors birthplace Heydekrug lost Pola. 44.52N. 13.51E. buried Pula. Block 11. Row 1. Grave 73. |
| Klocker | Richard | Lt.z.S | 24.02.1920 | | U-81. U-407 |
| Klump | Karl(Seppl) | StOStrm | 20.12.1908 | 19.07.1943 | U-81. U-513+ birthplace Nordlingen lost S.Atlantic |
| Knecht | Wilhelm | OMasch | 06.07.1914 | | U-81. surv birthplace Liepnitz awards DKiG.08.09.43. |
| Kolling | Peter | MaschOGfr | 15.12.1923 | | U-81 |
| Kretschmar | Alfred | MaschOGfr | 16.10.1924 | | U-81 |
| Krieg | Johann-OttoHanno | OLt.z.S.01.04.42 | 14.03.1919 | 02.01.1999 | U-81. 2WO.(04.41-07.42) Cdr.(12.42-01.44). U-142. Cdr.(09.42-12.42). birthplace Somnitz serial/entry Crew of X/1937 awards DKiG.19.11.43. Knights Cross.08.07.44. |
| Kruchen | Walter | OLt.ing | | | U-73. U-80. U-81. U-3504 |
| Krüger | Arno | MtrGfr | 15.08.1925 | | U-81 |
| Kühn | Herbert | OLt.z.S.01.10.43 | 24.04.1919 | 17.06.1990 | U-331. 2WO.(11.41-04.42). U-73. 2WO.(02.43-05.43). U-81. 2WO.(05.43-08.43). 1WO.(08.43-11.43). U-38. Cdr.(01.44-04.44). U-708. Cdr.(04.44-05.45) birthplace Wuppertal-Vowinckel serial/entry Crew of IX/1939 |
| Labahn | Walter | MaschGfr | 14.05.1920 | 00.07.1993 | U-81. U-564. 15.04.41 to ? |
| Layer | Erich | OMaschMt | 07.09.1914 | | U-81 birthplace Perikop / Russland serial/entry 509/35.T. |
| Leck | Günther | FkGfr | 30.03.1924 | | U-81 |
| Lindner | Herbert | MtrGfr | 01.05.1925 | | U-81 |
| Lorenz | Günter | FkMt | 18.06.1920 | | U-81 birthplace Berlin-Schoeneberg serial/entry 114/38.T. awards DKiG. 21.12.42.(U-81). |
| Machledt | Werner | MechOGfr | 27.06.1921 | | U-81 |
| Makowski | Franz | MtrGfr | 29.09.1923 | | U-81 |
| Meinberg | Karl-Heinz | OLt.ing | | | U-81. U-1005. Pow. Camp.9. Pow.No.B.215047 |
| Mihm | Hermann | BtsMt | 28.07.1922 | | U-81 |