Yunnan
| Name | Yunnan |
| Type | Passenger steamer |
| GRT | 6,474 tons |
| Country |  French |
| Built | 1903 |
| Builder | Forges & Chant. de la Méditerranée, Havre |
| Operator | Messageries Maritimes, Marseille |
| History |
U-boat attacks on Passenger steamer Yunnan
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 4 Oct 1915 | U 33 (Konrad Gansser) | Damaged | Torpedoed 21 miles SW of Cape Matapan. Beached in Milos roads. | 1 | |||
| Salvaged only in 1919 and returned to service as Ionopolis under Greek ownership. | ||||||||
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