Arethusa
| Name | Arethusa |
| Type | Sailing vessel |
| GRT | 1,279 tons |
| Country |  British |
| Built | 1891 |
| Builder | A. McMillan & Son, Ltd., Dumbarton |
| Operator | Ship Arethusa Co. (Iredale & Porter Ltd.), London |
| History | Steel-hulled bark. |
U-boat attacks on Sailing vessel Arethusa
| Date | U-boat | Loss type | Position | Location | Route | Cargo | Casualties | |
| 1 | 22 Apr 1917 | UC 66 (Herbert Pustkuchen) | Sunk | Stopped and scuttled 15 miles NW of Eagle Island | Gulfport - Clyde | pitch pine | 0 | |
| Or early on April 23, 1917. | ||||||||
If you can help us with any additional information on this vessel then please contact us.