A West End theatre producer (or West End producer) is a theatre producer who causes theatrical productions to be presented in one or more of the 40 West End theatres of London, as defined by the governing body of West End producers, The Society of London Theatre.
Not to be confused with a Regional (or Provincial) theatre producer who has never, or does not choose, to produce in the theatres of the West End of London. Their governing body is the Theatrical Management Association.