| Navy | The Royal Navy |
| Type | Minesweeper |
| Class | Algerine |
| Pennant | J 377 |
| Built by | Redfern Construction Ltd. (Toronto, Ontario, Canada) |
| Ordered | 25 Nov 1942 |
| Laid down | 10 Nov 1943 |
| Launched | 15 Mar 1944 |
| Commissioned | 11 Dec 1944 |
| End service | |
| Loss position | |
| History | Scrapped 15 November 1956. |
| Former name | HMCS Petrolia |
Commands listed for HMS Lioness (J 377)
Please note that we're still working on this section.
| Commander | From | To | |
| 1 | T/A/Lt.Cdr. Graham Foster Cross, RNVR | 11 Dec 1944 | 1 Apr 1945 |
| 2 | Cdr. Roger Curzon Lewis, DSO, OBE, RN | 1 Apr 1945 | Jun 1946 |
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