| Name | Rank | Born | Died | Notes [+ indicates died while crew of boat] |
| Apel | Herbert | Btsm | 20.03.1923 | 14.03.1945 | U-1021+ 11 U-Flottille (Bergen) lost English Channel |
| Bacht | Gerhard | MaschGfr | 15.07.1925 | 14.03.1945 | U-1021+ 11 U-Flottille (Bergen) lost 50 ˇ 33,3 'N / 05 ˇ 11,6' W |
| Biermann | Werner | SanMt | 24.09.1921 | 14.03.1945 | U-1021+ birthplace Ihringen am Kaiserstuhl lost English Channel |
| Bösling | Karl-Heinz | MtrGfr | 03.06.1925 | 14.03.1945 | U-1021+ lost English Channel |
| Böttcher | Reinhold | MaschGfr | 05.10.1925 | 14.03.1945 | U-1021+ lost English Channel |
| Braune | Werner | MaschGfr | 18.09.1925 | 14.03.1945 | U-1021+ lost English Channel |
| Clemens | Peter | MechOGfr | 22.02.1924 | 14.03.1945 | U-1021+ lost English Channel |
| Dreyer | Hans-Joachim | OLt.z.S | 13.06.1923 | 14.03.1945 | U-1021+ lost English Channel |
| Fieler | Hans-Jürgen | | 03.07.1919 | 10.06.1983 | U-1021 |
| Fuhrmann | Horst | FkOGfr | 25.05.1925 | 14.03.1945 | U-1021+ lost English Channel |
| Gartenschläger | Heinz | BtsMt | 30.10.1920 | 14.03.1945 | U-1021+ lost English Channel |
| Gericke | Willi | MechGfr | 02.12.1925 | 14.03.1945 | U-1021+ lost English Channel |
| Glaser | Walter | MaschMt | 10.04.1923 | 14.03.1945 | U-1021+ lost English Channel |
| Götz | Georg | MaschOGfr | 03.08.1925 | 14.03.1945 | U-1021+ lost English Channel |
| Grabczewski von | Leo | OStrm | 15.08.1916 | 14.03.1945 | U-1021+ lost English Channel |
| Heymons | Oswald | Lt.z.S | 13.03.1924 | 14.03.1945 | U-1021+ lost English Channel |
| Hilbeck | Walter | MtrGfr | 12.10.1925 | 14.03.1945 | U-1021+ lost English Channel |
| Holpert | William | OLt.z.S.01.10.43 | 11.06.1914 | 14.03.1945 | """KARLSRUHE"".Ob.Sig.Maat.(10.39-04.40). U-1021+ Cdr.25.05.44-14.03.45." birthplace London lost S.of Bristol channel serial/entry Crew of 1934 |
| Ihlenfeld | Helmut | OLt.ing | 31.01.1924 | 14.03.1945 | U-1021+ lost English Channel |
| Käsler | Kurt | FkOGfr | 14.11.1923 | 14.03.1945 | U-1021+ lost English Channel |
| Keilhofer | Johann | MtrGfr | | 14.03.1945 | U-1021+ lost English Channel |
| Klein | Mathias | MtrGfr | 06.01.1925 | 14.03.1945 | U-1021+ lost English Channel |
| Kruchinski | Helmut | MtrOGfr | 10.06.1925 | 14.03.1945 | U-1021+ lost English Channel |
| Ludwig | Rudolf | Mtr | 24.12.1925 | 14.03.1945 | U-1021+ lost English Channel |
| Maiwald | Kurt | MaschOGfr | 02.05.1925 | 14.03.1945 | U-1021+ lost English Channel |
| Mehlfeld | Harry | MaschGfr | 14.05.1925 | 14.03.1945 | U-1021+ lost English Channel |
| Müller | Sebastian | MechGfr | 06.07.1925 | 14.03.1945 | U-1021+ lost English Channel |
| Piezonna | Heinz | MaschMt | 03.08.1922 | 14.03.1945 | U-1021+ lost English Channel |
| Radde | Willi | FkOGfr | | 14.03.1945 | U-1021+ lost English Channel |
| Reininger | Fritz | OFkMt | 21.12.1919 | 14.03.1945 | U-1021+ lost English Channel |
| Rieth | Kurt-Georg | MaschMt | 14.09.1919 | 14.03.1945 | U-1021+ lost English Channel |
| Rodinger | Justus | OGfr | 12.09.1924 | 14.03.1945 | U-1021+ lost English Channel |
| Röscheisen | Heinz | Mtr | 20.02.1924 | 14.03.1945 | U-1021+ lost English Channel |
| Rothe | Gerhard | MaschGfr | 26.01.1925 | 14.03.1945 | U-1021+ lost English Channel |
| Ruthowski | Edmund | OGfr | 13.09.1924 | 14.03.1945 | U-1021+ lost English Channel |
| Sädler | Fritz | MaschGfr | 29.12.1925 | 14.03.1945 | U-1021+ lost English Channel |
| Schilde | Heinz | MaschMt | 12.07.1921 | 14.03.1945 | U-1021+ lost English Channel |
| Schreiber | Jakob | MtrOGfr | 07.02.1924 | 14.03.1945 | U-1021+ lost English Channel |
| Simianowski | Paul | MaschGfr | | 14.03.1945 | U-1021+ lost English Channel |
| Sonntag | Kurt | OMasch | 06.09.1917 | 14.03.1945 | U-1021+ lost English Channel |
| Sonntag | Wolfgang | MaschGfr | 08.06.1925 | 14.03.1945 | U-1021+ lost English Channel |
| Thormann | Gerhard | MechMt | 01.07.1920 | 14.03.1945 | U-1021+ birthplace Paradies lost English Channel |
| Wehling | Hans-Joachim | OMasch | 03.01.1915 | 14.03.1945 | U-1021+ lost English Channel |
| Weiß | Wilhelm | MaschMt | 19.01.1922 | 14.03.1945 | U-1021+ lost English Channel |