Caledonia
| Name | Caledonia |
| Type | Steamer |
| GRT | 863 tons |
| Country |  Dutch |
| Built | 1874 |
| Builder | T. R. Oswald, Sunderland |
| Operator | W. H. Müller & Co.’s Algemeene Scheepv. Mij. (W. H. Müller & Co.), Rotterdam |
| History | Re-engined in 1908. |
U-boat attacks on Steamer Caledonia
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 12 Jan 1918 | U 79 (Karl Thouret) | Damaged | Mined 18 miles WNW of Scheveningen | Methil - Rotterdam | coal |
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