Landonia
| Name | Landonia |
| Type | Steamer |
| GRT | 2,504 tons |
| Country |  British |
| Built | 1917 |
| Builder | Clyde SB. & Eng. Co., Ltd., Port Glasgow |
| Operator | Gascony SS. Co., Ltd. (Leopold Walford (London), Ltd.), London |
| History |
U-boat attacks on Steamer Landonia
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 21 Apr 1918 | U 91 (Alfred von Glasenapp) | Sunk | 27 miles NWbW1/2W Strumble Head | Bilbao - Glasgow | iron ore | 21 | |
| One taken prisoner. | ||||||||
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