List of Famous people named William

William Ponsonby, 2nd Earl of Bessborough was a British politician and public servant. He was an Irish and English peer and member of the House of Lords. He served in both the Irish and the British House of Commons, before entering the House of Lords, and held office as a Lord Commissioner of the Admiralty, Lord Commissioner of the Treasury, and as Postmaster General of the United Kingdom. He was also a Privy Counsellor, Chief Secretary for Ireland and Earl of Bessborough.

William Bourchier, 3rd Earl of Bath was Lord Lieutenant of Devon. His seat was at Tawstock Court, three miles south of Barnstaple in North Devon, which he rebuilt in the Elizabethan style in 1574, the date being sculpted on the surviving gate house.

William John Arthur Charles James Cavendish-Bentinck, 6th Duke of Portland,, known as William Cavendish-Bentinck until 1879, was a British landowner, courtier, and Conservative politician. He notably served as Master of the Horse between 1886 and 1892 and again between 1895 and 1905.

William Beverley (1696–1756) was an 18th-century legislator, civil servant, planter and landowner in the Colony of Virginia. Born in Virginia, Beverley—the son of planter and historian Robert Beverley, Jr. and his wife, Ursula Byrd Beverley (1681–1698)—was the scion of two prominent Virginia families. He was the nephew of Peter Beverley (1668–1728), Speaker of the Virginia House of Burgesses, and the grandson of wealthy Virginia planter William Byrd I (1652–1704) of Westover Plantation. Beverley's mother died shortly before her 17th birthday, and he was sent to England.