Ranai-Natuna Airport or Natuna-Ranai Airport, formerly Raden Sadjad Airport, is located in Ranai Kota, the capital city of Natuna Regency, on the Natuna archipelago in the Natuna Sea. The airport is also a Type B airbase of the Indonesian Air Force. The airport also serves civilian flights.

Ranai Kota is the capital of the Natuna Regency archipelago in the Riau Islands, Indonesia. It has one airport and can be reached by boat. It is located on Bunguran Island, in East Bunguran District, which had a population of 29,777 in mid 2022.