| Honorific Prefix: | Vice Admrial Sir |
| Peveril William-Powlett | |
| Birth Date: | 5 March 1898 |
| Birth Place: | Abergavenny, Monmouthshire, Wales |
| Death Place: | Honiton, Devon, England |
| Allegiance: | United Kingdom |
| Branch: | Royal Navy |
| Serviceyears: | 1914–1954 |
| Rank: | Vice admiral |
| Commands: | South Atlantic Station (1952–54) Royal Naval College, Dartmouth (1946–48) (1942–44) (1940–41) (1939) |
| Battles: | First World War |
| Awards: | Knight Commander of the Order of the Bath Knight Commander of the Order of St Michael and St George Commander of the Order of the British Empire Distinguished Service Order |
| Laterwork: | Governor of Southern Rhodesia (1954–59) |
| Ru Position: | Prop |
| Repteam1: | England |
| Repyears1: | 1922[1] |
| Repcaps1: | 1 |
| Reppoints1: | 0 |
| Clubs1: | United Services Portsmouth |
Vice Admiral Sir Peveril Barton Reiby Wallop William-Powlett, (5 March 1898 – 10 November 1985) was a Royal Navy officer who served as Commander-in-Chief, South Atlantic Station from 1952 to 1954.
William-Powlett attended Cordwalles School.[2] He joined the Royal Navy as a midshipman in 1914 and served in the First World War, specialising in signals.[3] A keen sportsman, he played rugby for England in 1922.[4] He saw service with the New Zealand Division from 1931 to 1936 and then commanded the cadet training ship in 1939.[3]
In 1935, William-Powlett was awarded the King George V Silver Jubilee Medal.[5]
William-Powlett served in the Second World War as Director of Manning at the Admiralty and then commanded the cruiser, which was sunk during the Battle of Crete in 1941.[3] He was appointed Chief of Staff of Force H at Gibraltar in 1941 and then commanded from 1942.[3] He became Captain of the Fleet in the Home Fleet in 1944.[3]
After the war, William-Powlett commanded the Royal Naval College, Dartmouth and then became Naval Secretary in 1948.[3] He went on to be Flag Officer (Destroyers) in the Mediterranean Fleet in 1950 and Commander-in-Chief, South Atlantic in 1952.[3] He retired in 1954.[3]
In retirement William-Powlett served as Governor of Southern Rhodesia from 1954 until 1959.[3] He was High Sheriff of Devon in 1972.
In 1923, William-Powlett married Helen Constance Crombie; they had three daughters.[6] Following the death of his first wife he married Barbara Patience William-Powlett, widow of his brother, in 1966.[6]
William-Powlett's second daughter, Vernon,[7] married Henry Bruce of Salloch, and was the mother of the royal commentator Alastair Bruce of Crionaich.[8] His third daughter, Judith, married Sir Michael Colman, 3rd Baronet.[9]
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