William Allen (actor)
 William Allen (died 1647) was a prominent English actor in the Caroline era. He belonged to both of the most important theatre companies of his generation Queen Henrietta's Men and the King's Men.Allen was a member of the Queen Henrietta's company through the main phase of its existence from 1625 to 1636. Six cast lists for five plays survive for the company; Allen is one of only two men (the other being Michael Bowyer) who is included in all six lists.