Glynn
| Name | Glynn |
| Type | Sailing vessel |
| GRT | 78 tons |
| Country |  British |
| Built | 1865 |
| Builder | Davies, Maesygarnedd, Merionethshire |
| Operator | James Ffench, Wexford |
| History | Wooden schooner. |
U-boat attacks on Sailing vessel Glynn
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 5 Sep 1917 | UC 42 (Hans Albrecht Müller) | Sunk | Stopped and sunk 32 miles NW of the Les Hanois LH | Granville - Swansea | iron ore | 0 |
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