St. Ann's Cathedral is a Catholic cathedral in Great Falls, Montana, United States. Along with St. Patrick's Co-Cathedral in Billings, Montana it is the seat of the Diocese of Great Falls-Billings.

Located on Central Avenue in the heart of downtown Great Falls, The Newberry is surrounded by some of the best hotels, restaurants and bars under the Big Sky. The event space includes multiple bars, a stage, dance floor and balcony. The venue is handicap accessible and a downtown parking garage is located only a block away.