Thelma
| Name | Thelma |
| Type | Steamer |
| GRT | 1,002 tons |
| Country |  British |
| Built | 1903 |
| Builder | A. Vuijk, Capelle a/d Yssel |
| Operator | Scandinavian Shipping Co., Ltd. (Glen & Co., mgrs.), Glasgow |
| History |
U-boat attacks on Steamer Thelma
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 26 Sep 1916 | U 20 (Walther Schwieger) | Sunk | 24 miles E of Fair Isle | Clyde - Göteborg | coal & general cargo | 0 |
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