| Navy | The Royal Navy |
| Type | Frigate |
| Class | Captain |
| Pennant | K 515 |
| Built by | Boston Navy Yard (Boston, Massachusetts, U.S.A.) |
| Ordered | |
| Laid down | 9 Jul, 1943 |
| Launched | 13 Aug, 1943 |
| Commissioned | 9 Nov, 1943 |
| End service | |
| Loss position | |
| History | Assigned USN penant DE 517 but not named. Returned to the USN on 20 March 1946. Scrapped. Commanding Officers: A/Cdr. L.B.A. Majendie, RN (retired) A/Lt.Cdr. J.H.M. Sowry, RNVR A/Cdr. W. Lambert, RNVR |
| Former name | DE 517 |
| Noteable events involving Louis include: 24 Aug, 1944 |
