Namsos Airport, Høknesøra (IATA: OSY, ICAO: ENNM; Norwegian: Namsos lufthavn, Høknesøra) is a regional airport located along the Namsen river, just outside of the town of Namsos in Nord-Trøndelag county, Norway. The airport is served with Dash 8 aircraft from Widerøe on public service obligation contracts with the Ministry of Transport and Communications.