William Barrymore (1759–1830) was a British stage actor. Originally from Taunton he was part of a company of strolling players in the West Country, and was acting at Plymouth in 1780. He first appeared at the Theatre Royal, Drury Lane in 1782, under the management of Richard Sheridan, and became a long-standing member of the company. He is also the namesake of the famed Barrymore family