Juvai Semaring Airport or Yuvai Semaring Airport, formerly Long Bawan Airport, is a domestic regional airport serving Long Bawan in Krayan District, Nunukan Regency, North Kalimantan, Indonesia. The airport is named after Juvai Semaring, a heroic figure or powerful giant in the legends of the Dayak Lundayeh indigenous people of the Krayan Highlands. It serves Long Bawan and the surrounding areas, which are inaccessible by road and can only be reached by air. The airport is located approximately 9 km from the Indonesian–Malaysian border and 11 km from the nearby Malaysian town of Ba'kelalan. As of 2026, Susi Air is the sole airline operating at the airport, providing pioneer air services to other cities and towns in North Kalimantan.