John Philip Kemble (1 February 1757 – 26 February 1823) was a British actor. He was born into a theatrical family as the eldest son of Roger Kemble, actor-manager of a touring troupe. His elder sister Sarah Siddons achieved fame with him on the stage of the Theatre Royal, Drury Lane. His other siblings, Charles Kemble, Stephen Kemble, Ann Hatton, and Elizabeth Whitlock, also enjoyed success on the stage.