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 (小港機場). 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.

Siaogang District is a district of Kaohsiung City in southern Taiwan. Before the merging of Kaohsiung City and Kaohsiung County in 2010, Siaogang was the southernmost district in Kaohsiung City. The second largest airport in Taiwan, Kaohsiung International Airport, is located in Siaogang.