Henry Somerset-Scudamore, 3rd Duke of Beaufort, born Henry Somerset, was an English nobleman and peer who supported Jacobitism.

Duke of Beaufort is a title in the Peerage of England. It was created by Charles II in 1682 for Henry Somerset, 3rd Marquess of Worcester, a descendant of Charles Somerset, 1st Earl of Worcester, legitimised son of Henry Beaufort, 3rd Duke of Somerset, a Lancastrian leader in the Wars of the Roses. The name Beaufort refers to a castle in Champagne, France. It is the only current dukedom to take its name from a place outside the British Isles.