Hugh Algernon Percy, 10th Duke of Northumberland, 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.
- Occupation
- art collector, farmer, politician, aristocrat
- Position held
- Member of the Privy Council of the United Kingdom, member of the House of Lords, Lord Lieutenant of Northumberland, Chancellor of the University of Newcastle-upon-Tyne
- Citizenship
- United Kingdom