William Warren (born Bath, Somerset, 10 May 1767; died Washington, D.C., United States, 19 October 1832) was an actor. His first appearance was as Young Norval in Home's tragedy of Douglas. He also performed in Yorkshire. As Trueman in George Barnwell, as Hastings in She Stoops to conquer, as a pilgrim in King Richard, Mirvan in Orphan of China and First Scholar in The Padlock at Leeds theatre. Soon afterward, Warren came to the United States, making his debut at Baltimore, Maryland, as Friar Lawrence in Romeo and Juliet. In 1805 he went to England, as agent for the Philadelphia Theatre, to recruit a company of comedians.