Hugh Percy, 10th Duke of Northumberland

Hugh Algernon Percy, 10th Duke of Northumberland (6 April 1914 – 11 October 1988), styled Lord Hugh Percy between 1918 and 1940, was a British landowner, soldier and peer. He was the son of Alan Percy, 8th Duke of Northumberland, and Lady Helen Gordon-Lennox. He succeeded to the dukedom of Northumberland in 1940 when his brother, the 9th Duke, was killed in action in World War II.

He served in the Northumberland Hussars and the Royal Regiment of Artillery during World War II, rising to the rank of captain. After the war, he served as a Conservative whip in the Churchill caretaker ministry. Later, he served as Lord Steward of Queen Elizabeth II's Household from 1973 until his death, Lord Lieutenant of Northumberland from 1956 until 1984 and as the first Chancellor of the University of Newcastle upon Tyne from its formation in 1963 until his death.