Buin Airport (IATA:UBI) was an airport located near Kara, Bougainville Island, Papua New Guinea.

Kara Airfield Toripoil Airfield
Buin, Bougainville Island
Coordinates	06°44′00″S 155°41′06″E / 6.73333°S 155.68500°E / -6.73333; 155.68500
Type	Military Airfield
Site information
Controlled by	Imperial Japanese Navy Air Service
Condition	abandoned
Site history
Built	1943
In use	1943-88
Materials	coral and bitumen
Battles/wars	Operation I-Go Bougainville Campaign

The airfield was constructed by the Imperial Japanese Navy Air Service in 1943 and known as Kara Airfield and Toripoil Airfield.

The airport was used by Air Niugini and other local carriers for air service to the Buin area, however the airport was destroyed during the Bougainville Crisis.

• Buka Airport
• Kahili Airfield
• Kieta Airport

• https://web.archive.org/web/20120614000050/http://www.pacificwrecks.com/airfields/png/kara/index.html