Admiral Sir Arthur Cavenagh Leveson GCB (27 January 1868 – 26 June 1929) was a senior officer in the Royal Navy.

While serving as Flag Captain to Admiral Sir William May, Commander in Chief of the Atlantic Fleet, he took part in 1904 in the Entente Cordiale at Brest and in Paris, for which he received the Croix d'Officier of the Legion of Honour.

[6] He was also a commodore (first class) on the staff of Admiral of the Fleet Sir William May, Umpire-in-Chief during the Naval Manoeuvres which took place during July and August 1913.

He became the First and Principal Naval aide-de-camp and was awarded the Knight Grand Cross of the Order of the Bath on 3 June 1927.

[10][11] They had one son, Arthur Edmund Leveson (1908–1981), and their eldest granddaughter, Anne Pamela Leveson (born 1946), became Countess of Hopetoun by her marriage in 1968 to the 4th Marquess of Linlithgow, and in 1988 became Countess De La Warr by her second marriage to William Sackville, 11th Earl De La Warr.