Sir William Henry Watson QC (1 July 1796 – 13 March 1860), was a British politician and judge.Watson was born at Nottingham, the son of John Watson, captain in the 76th Foot, by Elizabeth, daughter of Henry Grey of Bamburgh, Northumberland.He was educated at the Royal Military College, Marlow, and given a commission in the 1st Royal Dragoons by the Duke of York on 7 May 1812, serving with his regiment in the Spanish peninsula.