Kaohsiung International Airport (高雄國際機場) is a medium-sized international airport in Siaogang District, Kaohsiung, Taiwan, also known as Siaogang Airport. With nearly seven million passengers in 2018, it is the second busiest airport in Taiwan, after Taoyuan. The airport has a single east–west runway and two terminals: one international and one domestic.

Kaohsiung, officially Kaohsiung City, formerly known as Takau or Takao , is a special municipality located in southern Taiwan. It ranges from the coastal urban center to the rural Yushan Range with an area of 2,952 km2 (1,140 sq mi). Kaohsiung City has a population of approximately 2.73 million people as of October 2023 and is Taiwan's third most populous city and largest city in southern Taiwan.