| Country | Ship | Weight | U-Boat | Commander | Date | Convoy | |
| Br |
|
Cato(m) | 710 | U-29 | Otto Schuhart | 3 Mar 1940 | |
| Br |
|
Pacific Reliance | 6,717 | U-29 | Otto Schuhart | 4 Mar 1940 | HX-19 |
| Br |
|
Thurston | 3,072 | U-29 | Otto Schuhart | 4 Mar 1940 | |
| Br |
|
Counsellor(m) | 5,068 | U-30 | Fritz-Julius Lemp | 8 Mar 1940 | HX-22 |
| Br |
|
Abbotsford | 1,585 | U-14 | Herbert Wohlfarth | 9 Mar 1940 | |
| Br |
|
Akeld | 643 | U-14 | Herbert Wohlfarth | 9 Mar 1940 | |
| Br |
|
Borthwick | 1,097 | U-14 | Herbert Wohlfarth | 9 Mar 1940 | |
| Br |
|
Daghestan | 5,742 | U-57 | Claus Korth | 25 Mar 1940 | |
| Total - Br | 24,634 | ||||||
| Da |
|
Argentina | 5,375 | U-38 | Heinrich Liebe | 17 Mar 1940 | |
| Da |
|
Charkow | 1,026 | U-19 | Joachim Schepke | 19 Mar 1940 | |
| Da |
|
Minsk | 1,229 | U-19 | Joachim Schepke | 19 Mar 1940 | |
| Da |
|
Bothal | 2,109 | U-19 | Joachim Schepke | 20 Mar 1940 | |
| Da |
|
Viking | 1,153 | U-19 | Joachim Schepke | 20 Mar 1940 | |
| Da |
|
Algier | 1,654 | U-38 | Heinrich Liebe | 21 Mar 1940 | |
| Da |
|
Christiansborg | 3,270 | U-38 | Heinrich Liebe | 21 Mar 1940 | |
| Da |
|
Britta | 1,146 | U-47 | Günther Prien | 25 Mar 1940 | |
| Total - Da | 16,962 | ||||||
| Gr |
|
P. Margaronis | 4,979 | U-28 | Günter Khnke | 9 Mar 1940 | |
| Total - Gr | 4,979 | ||||||
| Ir |
|
Leukos | 216 | U-38 | Heinrich Liebe | 9 Mar 1940 | |
| Total - Ir | 216 | ||||||
| It |
|
Mirella | 5,304 | U-20 | Harro von Klot-Heydenfeldt | 1 Mar 1940 | |
| Total - It | 5,304 | ||||||
| Nl |
|
Rijnstroom | 695 | U-17 | Udo Behrens | 2 Mar 1940 | |
| Nl |
|
Grutto | 920 | U-17 | Udo Behrens | 5 Mar 1940 | |
| Nl |
|
Vecht | 1,965 | U-14 | Herbert Wohlfarth | 7 Mar 1940 | |
| Nl |
|
Eulota | 6,236 | U-28 | Günter Khnke | 11 Mar 1940 | |
| Total - Nl | 9,816 | ||||||
| Nw |
|
Cometa | 3,794 | U-38 | Heinrich Liebe | 26 Mar 1940 | |
| Total - Nw | 3,794 | ||||||
| Sw |
|
Lagaholm | 2,818 | U-32 | Hans Jenisch | 2 Mar 1940 | |
| Total - Sw | 2,818 | ||||||
| Yu |
|
Slava(m) | 4,912 | U-29 | Otto Schuhart | 16 Mar 1940 | |
| Total - Yu | 4,912 | ||||||
| Total Damaged | |||||||
| Total Sunk | 73,435 |