Buenaventura
| Name | Buenaventura |
| Type | Steamer |
| GRT | 4,881 tons |
| Country |  American |
| Built | 1913 |
| Builder | Northumberland SB. Co., Ltd., Newcastle |
| Operator | U.S. Navy Naval Overseas Transportation Service |
| History | Peace-time operator: United States Steel Products Co., Inc., New York |
U-boat attacks on Steamer Buenaventura
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 16 Sep 1918 | UB 129 (Karl Neumann) | Sunk | about 200 miles off NW Spain | 44° 36'N, 13° 10'W | Le Verdon - Philadelphia | in ballast | 18 |
| Torpedoed at 8:45 pm in convoy OV31 | ||||||||
Position of attack on Buenaventura
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