Ships hit by U 20
See the profile page for U 20
| Date | U-boat | Commander | Name of ship | Type of ship | Tons | Nat. | ||
|---|---|---|---|---|---|---|---|---|
| 30 Jan 1915 | U 20 | Walther Schwieger | Ikaria | Steamer | 4,335 |  | br | |
| 30 Jan 1915 | U 20 | Walther Schwieger | Oriole | Steamer | 1,489 | | br | |
| 30 Jan 1915 | U 20 | Walther Schwieger | Tokomaru | Steamer | 6,084 | | br | |
| 7 Mar 1915 | U 20 | Walther Schwieger | Bengrove | Steamer | 3,840 | | br | |
| 9 Mar 1915 | U 20 | Walther Schwieger |  | Princess Victoria | Steamer | 1,108 | | br |
| 11 Mar 1915 | U 20 | Walther Schwieger | Florazan | Steamer | 4,658 | | br | |
| 5 May 1915 | U 20 | Walther Schwieger | Earl Of Lathom | Sailing vessel | 132 | | br | |
| 6 May 1915 | U 20 | Walther Schwieger | Candidate | Steamer | 5,858 | | br | |
| 6 May 1915 | U 20 | Walther Schwieger | Centurion | Steamer | 5,495 | | br | |
| 7 May 1915 | U 20 | Walther Schwieger | | Lusitania | Passenger steamer | 30,396 | | br |
| 8 Jul 1915 | U 20 | Walther Schwieger | Marion Lightbody | Sailing vessel | 2,176 |  | ru | |
| 9 Jul 1915 | U 20 | Walther Schwieger | Ellesmere | Steamer | 1,170 | | br | |
| 9 Jul 1915 | U 20 | Walther Schwieger | | Leo | Steamer | 2,224 | | ru |
| 9 Jul 1915 | U 20 | Walther Schwieger | Meadowfield | Steamer | 2,750 | | br | |
| 13 Jul 1915 | U 20 | Walther Schwieger | Lennok | steamer | 1,142 | | ru | |
| 2 Sep 1915 | U 20 | Walther Schwieger | Roumanie | Steamer | 2,599 | | br | |
| 3 Sep 1915 | U 20 | Walther Schwieger | | Frode | Steamer | 1,875 |  | da |
| 4 Sep 1915 | U 20 | Walther Schwieger | | Hesperian | Passenger steamer | 10,920 | | br |
| 5 Sep 1915 | U 20 | Walther Schwieger | | Dictator | Steamer | 4,116 | | br |
| 5 Sep 1915 | U 20 | Walther Schwieger | | Douro | steamer | 1,604 | | br |
| 5 Sep 1915 | U 20 | Walther Schwieger | | Rhea | Steamer | 1,145 | | ru |
| 6 Sep 1915 | U 20 | Walther Schwieger | Guatemala | Steamer | 5,913 |  | fr | |
| 7 Sep 1915 | U 20 | Walther Schwieger | | Bordeaux | Steamer | 4,604 | | fr |
| 7 Sep 1915 | U 20 | Walther Schwieger | Caroni | Steamer | 2,652 | | br | |
| 8 Sep 1915 | U 20 | Walther Schwieger | Mora | Steamer | 3,047 | | br | |
| 30 Apr 1916 | U 20 | Walther Schwieger | | Bakio | Steamer | 1,906 |  | sp |
| 1 May 1916 | U 20 | Walther Schwieger | Bernadette | Sailing vessel | 486 | | fr | |
| 2 May 1916 | U 20 | Walther Schwieger | Ruabon | Steamer | 2,004 | | br | |
| 3 May 1916 | U 20 | Walther Schwieger | Marie Molinos | Sailing vessel | 1,946 | | fr | |
| 6 May 1916 | U 20 | Walther Schwieger | Galgate | Sailing vessel | 2,356 | | br | |
| 8 May 1916 | U 20 | Walther Schwieger | | Cymric | Passenger steamer | 13,370 | | br |
| 1 Aug 1916 | U 20 | Walther Schwieger | Aaro | Steamer | 2,603 | | br | |
| 29 Aug 1916 | U 20 | Walther Schwieger | Ibo (d.) | Gunboat | 397 |  | pt | |
| 26 Sep 1916 | U 20 | Walther Schwieger | Thelma | Steamer | 1,002 | | br | |
| 18 Oct 1916 | U 20 | Walther Schwieger | Ethel Duncan | Steamer | 2,510 | | br | |
| 23 Oct 1916 | U 20 | Walther Schwieger | Arromanches | Steamer | 1,640 | | fr | |
| 23 Oct 1916 | U 20 | Walther Schwieger | Chieri | Steamer | 4,400 |  | it | |
| 23 Oct 1916 | U 20 | Walther Schwieger | Felix Louis | Sailing vessel | 275 | | fr | |
| 26 Oct 1916 | U 20 | Walther Schwieger | Fabian (d.) | steamer | 2,246 | | br | |
| 148,473 | ||||||||
| 37 ships sunk (145,830 tons) and 2 ships damaged (2,643 tons).
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