The Chelyabinsk State Academic Opera and Ballet Theatre or Glinka State Academic Opera and Ballet Theatre (Russian: Челябинский театр оперы и балета имени М. И. Глинки), named after Mikhail Glinka, is an opera and ballet theatre on one of the main squares of Chelyabinsk, Russia. The capacity of the hall is 894 seats. It is the largest theatre in the Chelyabinsk Region.