| Navy | The Royal Navy |
| Type | Minesweeper |
| Class | Halcyon |
| Pennant | J 85 |
| Built by | Devonport Dockyard (Plymouth, U.K.) : Richardson Westgarth |
| Ordered | |
| Laid down | 15 Feb, 1937 |
| Launched | 28 Oct, 1937 |
| Commissioned | 30 May, 1938 |
| End service | |
| Loss position | |
| History | Scrapped in May 1965. Commanding Officers: Cdr. Robert Henry Vivian Sivewright, RN (retired) Lt.Cdr. Frederick Richard Guy Maunsell, RN (retired) Lt.Cdr. Charles Harington Pollock, RN T/A/Lt.Cdr. Robert Wilson Ellis, DSC, RNR A/Lt.Cdr. John Andrew Pearson, DSC, RNR ??? Lt.Cdr. Colin Courtenay Lowry, RN |
| Noteable events involving Seagull include: 22 Sep, 1942 |
