HMS Ariadne
| Name | HMS Ariadne |
| Type | Minelayer |
| GRT | 11,000 tons (one of the largest ships hit) |
| Country |  British |
| Built | 1898 |
| Builder | J. & G. Thomson, Ltd., Clydebank, Glasgow |
| Operator | Royal Navy |
| History |
U-boat attacks on Minelayer Ariadne
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 26 Jul 1917 | UC 65 (Otto Steinbrinck) | Sunk | off Beachy Head | 38 | |||
| Converted protected cruiser | ||||||||
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