Thomas James Mison (born 23 July 1982) is an English film, television, and theatre actor, voice artist, and writer. He is best known for his starring role as Ichabod Crane on the Fox series Sleepy Hollow, and he portrayed the clones of Mr. Phillips and the Game Warden in Watchmen.

He has had leading and supporting roles in a variety of British theatre, television, and radio productions, as well as independent and mainstream studio films and film shorts. He is also known for his work in the European premiere of Andrew Bovell's When the Rain Stops Falling at the Almeida Theatre, Posh at the Royal Court Theatre and the Duke of York's Theatre, and Prince Hal in Henry IV Parts 1 and 2. He played Fainall in the Donmar Warehouse's 2018 production of William Congreve's The Way of the World. His writing for the stage includes Wood, Bounded, and The Life Man of Portland Mews.