| Navy | The Royal Navy |
| Type | Destroyer |
| Class | Admiralty V & W |
| Pennant | D 54 |
| Built by | John Brown Shipbuilding & Engineering Company Ltd. (Clydebank, Scotland) |
| Ordered | |
| Laid down | 27 Sep, 1916 |
| Launched | 28 Aug, 1917 |
| Commissioned | 2 Oct, 1917 |
| End service | |
| Loss position | |
| History | Reconstruction to Long Range Escort finished in April 1943.
Sold to be broken up for scrap on 4 March 1947. Commanding Officers: Lt.Cdr. Conrad Byron Alers-Hankey, RN Lt. Adrian Paul Northey, RN Cdr. Norman Vincent Dickinson, DSC, RN Lt.Cdr. Charles Leigh de Hauteville Bell, RD, RNR HMS Vanquisher was in Dockyard Control during conversion / refit Lt.Cdr. Gerald Anthony Gore Ormsby, RN A/Lt.Cdr. Frederick Meares Osborne, DSC, RANVR HMS Vanquisher is not listed in the July 1945 Navy list |
| Noteable events involving Vanquisher include: 11 Sep, 1939 8 Jul, 1940 19 May, 1941 10 Apr, 1945 |
