Ships hit by U-404
See the profile page for U-404
| Date | U-boat | Commander | Name of ship | Tons | Nat. | Convoy | ||
| 5 Mar, 1942 | U-404 | Otto von Bülow | Collamer | 5.112 |  | am | HX-178 | |
| 13 Mar, 1942 | U-404 | Otto von Bülow |  | Tolten | 1.858 |  | cl | |
| 14 Mar, 1942 | U-404 | Otto von Bülow | | Lemuel Burrows | 7.610 | | am | |
| 17 Mar, 1942 | U-404 | Otto von Bülow | | San Demetrio | 8.073 |  | br | |
| 30 May, 1942 | U-404 | Otto von Bülow | Alcoa Shipper | 5.491 | | am | ||
| 1 Jun, 1942 | U-404 | Otto von Bülow | West Notus | 5.492 | | am | ||
| 3 Jun, 1942 | U-404 | Otto von Bülow | Anna | 1.345 |  | sw | ||
| 24 Jun, 1942 | U-404 | Otto von Bülow | Ljubica Matkovic | 3.289 |  | yu | ||
| 25 Jun, 1942 | U-404 | Otto von Bülow | | Manuela | 4.772 | | am | |
| 25 Jun, 1942 | U-404 | Otto von Bülow | Nordal | 3.845 |  | pa | ||
| 27 Jun, 1942 | U-404 | Otto von Bülow | | Moldanger | 6.827 |  | nw | |
| 11 Sep, 1942 | U-404 | Otto von Bülow | Marit II (d.) | 7.417 | | nw | ON-127 | |
| 12 Sep, 1942 | U-404 | Otto von Bülow | Daghild (d.) | 9.272 | | nw | ON-127 | |
| 26 Sep, 1942 | U-404 | Otto von Bülow | HMS Veteran (D 72) | 1.120 | | br | RB-1 | |
| 29 Mar, 1943 | U-404 | Otto von Bülow | Nagara | 8.791 | | br | SL-126 | |
| 30 Mar, 1943 | U-404 | Otto von Bülow | Empire Bowman | 7.031 | | br | SL-126 | |
| 12 Apr, 1943 | U-404 | Otto von Bülow | | Lancastrian Prince | 1.914 | | br | ON-176 |
| 89.259 | ||||||||
| 15 ships sunk (72.570 tons) and 2 ships damaged (16.689 tons).
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