| Name: | TREGENNA |
| Type: | Cargo Ship |
| Launched: | 09/1917 |
| Completed: | 12/1917 |
| Builder: | John Readhead & Sons Ltd |
| Yard: | West Yard, South Shields |
| Yard Number: | 455 |
| Dimensions: | 5772grt, 3706nrt, 400.1 x 52.1 x 33.2ft |
| Engines: | T3cyl (26, 43 & 71 x 48ins), 488nhp |
| Engines by: | John Readhead & Sons Ltd, South Shields |
| Propulsion: | 1 x Screw, 11.0knots |
| Construction: | Steel |
| Reg Number: | 137868 |
| History: | |
| 03/12/1917 | Hain Steamship Co Ltd (E Hain & Son), St Ives |
| 26/12/1917 | Sank |
| Comments: | 26/12/1917: Torpedoed & sunk by U-Boat UB57, 9 miles south of Dodman Point |
| On a voyage from the Tyne to Gibraltar with a cargo of coal |