Ships hit by U-177
See the profile page for U-177
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | ||
| 2 Nov, 1942 | U-177 | Robert Gysae |  | Aegeus | 4.538 |  | gr | |
| 9 Nov, 1942 | U-177 | Robert Gysae | | Cerion (d.) | 2.588 |  | br | |
| 19 Nov, 1942 | U-177 | Robert Gysae | Scottish Chief | 7.006 | | br | ||
| 20 Nov, 1942 | U-177 | Robert Gysae | Pierce Butler | 7.191 |  | am | ||
| 28 Nov, 1942 | U-177 | Robert Gysae | | Nova Scotia | 6.796 | | br | |
| 30 Nov, 1942 | U-177 | Robert Gysae | | Llandaff Castle | 10.799 | | br | |
| 7 Dec, 1942 | U-177 | Robert Gysae | | Saronikos | 3.548 | | gr | |
| 12 Dec, 1942 | U-177 | Robert Gysae | Empire Gull | 6.408 | | br | ||
| 14 Dec, 1942 | U-177 | Robert Gysae | Sawahloento | 3.085 |  | nl | ||
| 28 May, 1943 | U-177 | Robert Gysae | | Agwimonte | 6.679 | | am | CD-20 |
| 28 May, 1943 | U-177 | Robert Gysae | Storaas | 7.886 |  | nw | CD-20 | |
| 6 Jul, 1943 | U-177 | Robert Gysae | Jasper Park | 7.129 |  | ca | ||
| 10 Jul, 1943 | U-177 | Robert Gysae | | Alice F. Palmer | 7.176 | | am | |
| 29 Jul, 1943 | U-177 | Robert Gysae | Cornish City | 4.952 | | br | DN-53 | |
| 5 Aug, 1943 | U-177 | Robert Gysae | | Efthalia Mari | 4.195 | | gr | |
| 89.976 | ||||||||
| 14 ships sunk (87.388 tons) and 1 ship damaged (2.588 tons).
| ||||||||