| Navy | The Free French Navy |
| Type | Corvette |
| Class | Flower |
| Pennant | K 57 |
| Built by | J. Lewis & Sons Ltd. (Aberdeen, Scotland) |
| Ordered | 21 Sep, 1939 |
| Laid down | 4 Nov, 1940 |
| Launched | 28 May, 1941 |
| Commissioned | 19 Sep, 1941 |
| End service | , 1947 |
| Loss position | |
| History | On loan from the Royal Navy since 19 September 1941. Returned to the Royal Navy in 1947. Sold to be broken up for scrap on 23 October 1947. Scrapped at Troon in May 1948. |
| Former name | HMS Sundew |
| Noteable events involving Roselys include: 10 Mar, 1943 |