Sultan Syarif Kasim II International Airport (IATA: PKU, ICAO: WIBB), is an international airport serving the city of Pekanbaru, Riau, Indonesia. The airport is often referred to as SSK II, SSK or Sultan Syarif Qasim II International Airport (SSQ II), and was formerly known as Simpang Tiga Airport. The airport is named after Sultan Syarif Kasim II (1893–1968), the last sultan of Siak and an Indonesian National Hero. The airport serves flights to and from several cities and towns in Indonesia as well as international connections to Malaysia, Saudi Arabia, Singapore, Sri Lanka, and Thailand.

The airport area and runway are shared with Roesmin Nurjadin Air Force Base, a Type A airbase of the TNI-AU (Indonesian Air Force). The airbase is named after the former Chief of Staff of the Indonesian Air Force, ACM Roesmin Nurjadin. it served as the homebase of the 16th Air Squadron, which operates the F-16 Fighting Falcon, and the 12th Air Squadron which operates the BAe Hawk Mk. 209 and Mk. 109.