Mill Run Playhouse (aka Mill Run Theatre) was a 1,600 seat theatre in the round in Niles, Illinois. It was built in 1965 on the grounds of the Golf Mill Shopping Center. It was scheduled to open in June 1965 but torrential rains delayed the opening to July 2, 1965. It was demolished in August 1984. Its last show was a performance by Lou Rawls on August 1.