Cottrill's 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 now being used as two different retail locations.
It was listed on the National Register of Historic Places in 1979.