Røst Airport (Norwegian: Røst lufthavn; IATA: RET, ICAO: ENRS) is a regional airport serving Røst Municipality in Nordland county, Norway. The airport is located on the northern edge of the main island of Røstlandet, just north of the main village of Røstlandet. It is owned and operated by the state-owned Avinor, and the tower is remotely controlled from Bodø.

The airport handled 9,889 passengers in 2014. Services are provided by Widerøe, operating Dash 8-100 aircraft on contract with the Ministry of Transport and Communications to Bodø Airport and Leknes Airport.

Røst was first served using seaplanes from the 1960s, and then by helicopters from 1970. Røst Airport opened on 1 June 1986, initially with Widerøe operating de Havilland Canada Twin Otters. From 2000 to 2001 the service was operated by Guard Air, and from 2003 to 2008 by Kato Air; otherwise Widerøe has flown the route.