Antonio
| Name | Antonio |
| Type | Steamer |
| GRT | 2,652 tons |
| Country |  British |
| Built | 1905 |
| Builder | J. Blumer & Co., Sunderland |
| Operator | Egypt & Levant SS. Co., Ltd. (T. Bowen Rees & Co., Ltd.), London |
| History |
U-boat attacks on Steamer Antonio
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 7 Mar 1917 | UC 17 (Ralph Wenninger) | Sunk | Mined 7 miles off Dartmouth | Barry - Cherbourg | hay | 11 | |
| Wrongly first attributed to U 48. SS Antonio was declared as mined in british sources and this was her fate. 4 mine barrages were laid by UC 17 off Dartmouth between Nov.1916 and Feb.1917. One of those accounted for Antonio. | ||||||||
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