The Excelsior (Chinese: 怡東酒店) was a four-star hotel located at 281 Gloucester Road, Causeway Bay, Hong Kong Island, in Hong Kong. It was owned and operated by Mandarin Oriental Hotel Group, a member of the Jardine Matheson Group, and served as the Mandarin Oriental Hotel Group's headquarters. The Noon-day Gun is located opposite the hotel. It closed on 31 March 2019 for demolition and replacement by an office tower.