| Name | Rank | Born | Died | Notes [+ indicates died while crew of boat] |
| Baier | Erich | MaschOGfr | 28.06.1922 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| Berghaus | Günther | MaschOGfr | 31.05.1923 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| Bittner | Franz | MaschOGfr | 04.12.1921 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| Bittner | Johann(Hannes) | MechMt Nr.1 | 00.00.1921 | | U-591. U-995 |
| Bruchhäuser | Hans | MaschGfr | 20.01.1924 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| Brunke | Fritz | OMasch | | | U-591. surv. pow? |
| Bündgens | Willy | OStrm | | 21.07.1987 | U-591. surv. pow? |
| Dieckhoff | Heinz | | | | U-591. surv. pow? |
| Eberle | Augustin | OMechMt | 15.08.1916 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| Eiche | Adolf | OMasch (E) | 00.00.1917 | 00.00.1996 | U-565. U-591. Pow |
| Fahlbusch | Werner | Mtr | 30.05.1922 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| Feigs | Günther | Dr | | | U-591. surv. pow? |
| Götz | Walter | | | | U-591. surv. pow? |
| Hässler | Bruno | | | | U-591. surv. pow? |
| Junkers | Georg | Lt.z.S | 26.02.1914 | 30.07.1943 | U-38. U-236. U-591+ 1WO lost near Pernambuco.S.Atlantic |
| Kirchhoff | H | | | | U-591. surv. pow? |
| Kleindienst | Arno | OFkMt | 23.09.1919 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| Kohlbauer | Alois | | | | U-591. surv. pow? |
| Köhnke | Hans | OBtsMt | 21.09.1913 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| König | Kurt | OBtsMt | 16.11.1920 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| Koplbauer | Alois | | | | U-591 |
| Kranz | Josef | | | | U-591. surv. pow? |
| Krüer | Werner | OLt.z.S.d.R | 23.11.1914 | 09.07.1943 | U-591. 2WO.09.42-04.43. U-590+ Cdr.08.06.43-09.07.43 birthplace Bassum (Kreis Bremen) lost near Amazon Estuary.Brazel |
| Ley | Wolfgang | OLt.z.S | 21.06.1920 | | U-591. WO.10.41-07.42. U-61. Cdr.10.11.42-15.09.43. U-310. Cdr.27.09.43-surren. pow. Freed.05.01.46 birthplace Krefeld serial/entry Class of 1938 |
| Littek | Walter | MtrOGfr | 13.03.1920 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| Lutz | Ernst | OLt.z.S | | | U-591. surv. pow? |
| Menne | | OMasch | | | U-591. surv. pow? |
| Möllers | Heinrich | MaschMt | 09.04.1921 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| Müller | Erich | BtsMt | 27.01.1922 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| Papenfuss | Kurt | MaschOGfr | 05.10.1923 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| Pfingsten | Hugo | OMasch | 05.02.1915 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| Pibal (Pipal)? | Kurt | Lt.ing | | | U-236. U-591. surv. pow? |
| Ruß | Rudolf | | 14.05.1920 | 27.12.1992 | U-469. U-591. surv. pow? |
| Sauerbier | Joachim | OLt.z.S | 25.09.1919 | 19.04.1945 | U-591. 2WO.10-41-07.42.1WO.07.42-06.43. U-120. Cdr.26.07.43-14.09.44. U-56. Cdr.23.02.45-04.45. U-251+ as a passenger traveling to take command of U324 birthplace Kempen Posen lost S.of Göteborg. Kattegat. serial/entry Class of IX/1939 |
| Scheuchenstuhl | Franz | | | | U-591. surv. pow? |
| Schmidt | Friedrich | MaschGfr | 28.05.1917 | 08.02.1991 | U-7. U-47. MaschGfr. U-591. ObMt. surv. pow? |
| Schneider | Herbert | MaschMt | 15.08.1919 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| Schubert | Johann | MaschMt | | | U-591. surv. pow? |
| Schubert | Karl-Heinz | KpLt.ing | | | U-591. surv. pow? |
| Schurr | Fritz | MtrGfr | 21.07.1923 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| Stössel | Rudi | | | | U-591. surv. pow? |
| Strub | H | | | | U-591. surv. pow? |
| Stutzmann | Ernst | MtrOGfr | 31.03.1921 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| Theurich | Karl | | | | U-591. surv. pow? |
| Vollertsen | Fritz | MechGfr | 14.02.1923 | 30.07.1943 | U-591+ lost near Pernambuco S.Atlantic |
| Zetsche | Hans-Jürgen | KpLt | 05.10.1915 | | U-28. 1WO.11.38-01.40. U-10. 1WO.01.40-04.40. U-20. Cdr.16.04.40-07.06.40. U-8. act. Cdr.07.07.40-28.07.40. U-4. Cdr.29.07.40-02.02.41. U-560. Cdr.06.03.41-24.08.41. U-591. Cdr.09.10.41-08.09.42.12.11.42-17.05.43wounded birthplace Annaberg Erzgebirge serial/entry Class of 1934 awards DKiG. 23.07.44.(U-591). |
| Ziesmer | Reimar | KpLt | 23.11.1917 | | U-98. 2WO.10.40. U-38. 2WO.11.40-09.41. U-145. Cdr.26.11.41-14.12.42. U-236. Cdr.09.01.43-30.05.43. U-591. Cdr.11.06.43-30.07.43. pow birthplace Berlin serial/entry Class of 1937a |