Missourian
| Name | Missourian |
| Type | Steamer |
| GRT | 7,924 tons |
| Country |  American |
| Built | 1903 |
| Builder | Maryland Steel Co., Sparrow’s Point, Md. |
| Operator | American-Hawaiian Steamship Co., New York |
| History |
U-boat attacks on Steamer Missourian
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 4 Apr 1917 | U 52 (Hans Walther) | Sunk | off Porto Maurizio (Ita.). 43.33N, 08.15E per KTB | 43° 31'N, 8° 14'E | Genoa - Boston | 0 |
Position of attack on Missourian
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