Brønnøysund Airport (; ) is a regional airport located at the town of Brønnøysund, in the municipality of Brønnøy, Nordland county, Norway. The airport is owned and operated by the state-owned Avinor and serves the southern part of Helgeland. It has a runway numbered 03–21 and is served by Widerøe, which operates their Bombardier Dash 8 aircraft to Oslo, Trondheim, Bodø, Bergen and other airports in Helgeland. The airport also serves offshore helicopter flights by CHC Helikopter Service to Norne and temporary oil rigs in the Norwegian Sea. In 2014, the airport served 117,471 passengers, making it the second-busiest regional airport in Norway, after Florø Airport.
