The Romanian National Opera, Bucharest (Romanian: Opera Naţională București) is one of the national opera and ballet companies of Romania. It is situated in a historical building in Bucharest, built in 1953, near the Cotroceni neighbourhood.
Its auditorium has 952 seats, but occasionally concerts are held in the Yellow Foyer with a maximum of 200 seats. The company presented 182 performances in 2009 (up from 146 in 2006). At the beginning of each season, a free show is held in open air to promote opera and the artists, "Promenada Operei".