Cottrill Opera House, known since 1915 as Sutton's Opera House or Sutton Theater, is a historic vaudeville and movie theater building in Thomas, Tucker County, West Virginia. It was built in 1902, and is a rectangular brick building with a high front that appears to be four stories tall. The interior is dominated by a large auditorium with balcony seating. The building is being restored for use as a live performance theater. It was listed on the National Register of Historic Places in 1979.