Knights Cross with Oak Leaves
(Eichenlaub zum Ritterkreuz des Eisernen Kreuz)
The Knights Cross with Oak Leaves, introduced on June 3, 1940, was awarded to Knights Cross recipients for further acts of courage. A fan of 3 Oak Leaves in silver surmounted the paper clip hanger. There were only 853 of those awarded and 29 went to the U-boat force.
| Name and rank | Age | Crew | Date | Boat | ||
| 1. | Kptlt. Prien, Günther + | (32) | 33 | 20 Oct, 1940 | U-47 | |
| 2. | Kptlt. Kretschmer, Otto | (28) | 30 | 4 Nov, 1940 | U-99 | |
| 3. | Kptlt. Schepke, Joachim + | (28) | 30 | 1 Dec, 1940 | U-100 | |
| 4. | Oblt. Endrass, Engelbert + | (30) | 34 | 10 Jun, 1941 | U-46 | |
| 5. | Kptlt. Liebe, Heinrich | (33) | 27 | 10 Jun, 1941 | U-38 | |
| 6. | Kptlt. Schultze, Herbert | (31) | 30 | 12 Jun, 1941 | U-48 | |
| 7. | KrvKpt. Schütze, Viktor | (35) | 25 | 14 Jul, 1941 | U-103 | |
| 8. | Oblt. Suhren, Reinhard | (25) | 35 | 31 Dec, 1941 | U-564 | |
| 9. | Kptlt. Lehmann-Willenbrock, Heinrich | (30) | 31 | 31 Dec, 1941 | U-96 | |
| 10. | Kptlt. Topp, Erich | (27) | 34 | 11 Apr, 1942 | U-552 | |
| 11. | Kptlt. Hardegen, Reinhard | (29) | 33 | 23 Apr, 1942 | U-123 | |
| 12. | Kptlt. Schnee, Adalbert | (28) | 34 | 15 Jul, 1942 | U-201 | |
| 13. | Kptlt. Mützelburg, Rolf + | (29) | 32 | 15 Jul, 1942 | U-203 | |
| 14. | KrvKpt. Scholtz, Klaus | (34) | 27 | 10 Sep, 1942 | U-108 | |
| 15. | Kptlt. Bleichrodt, Heinrich | (32) | 33 | 23 Sep, 1942 | U-109 | |
| 16. | Kptlt. Lüth, Wolfgang + | (29) | 33 | 13 Nov, 1942 | U-181 | |
| 17. | KrvKpt. Merten, Karl-Friedrich | (37) | 26 | 16 Nov, 1942 | U-68 | |
| 18. | Kptlt. Guggenberger, Friedrich | (27) | 34 | 8 Jan, 1943 | U-81 | |
| 19. | Kptlt. Mohr, Johann + | (26) | 34 | 13 Jan, 1943 | U-124 | |
| 20. | Kptlt. Lassen, Georg | (27) | 35 | 7 Mar, 1943 | U-160 | |
| 21 | Gradm. Dönitz, Karl | (52) | 1910 | 6 Apr, 1943 | BdU | |
| 22. | Kptlt. Brandi, Albrecht | (28) | 35 | 11 Apr, 1943 | U-617 | |
| 23. | Kptlt. Bülow, Otto von | (31) | 30 | 26 Apr, 1943 | U-404 | |
| 24. | Kptlt. Gysae, Robert | (32) | 31 | 31 May, 1943 | U-177 | |
| 25. | Kptlt. Emmermann, Carl | (28) | 34 | 4 Jul, 1943 | U-172 | |
| 26. | Kptlt. Henke, Werner + | (34) | 33 | 4 Jul, 1943 | U-515 | |
| 27. | Kpt. Hartmann, Werner | (41) | 21 | 5 Nov, 1944 | U-198 | |
| 28. | Kptlt. Lange, Hans-Günther | (28) | 37a | 29 Apr, 1945 | U-711 | |
| 29. | Kptlt. Thomsen, Rolf | (30) | 36 | 29 Apr, 1945 | U-1202 |
| + | died in WW II | * service begins in the Navy |
| +* | died in WW II by accident | |
