Chippewa County International Airport (IATA: CIU, ICAO: KCIU, FAA LID: CIU) is a public use airport in Chippewa County, Michigan, United States. It is located 15 nautical miles (17 mi; 28 km) south of the central business district of Sault Ste. Marie, Michigan. The airport is owned by the Chippewa County Economic Development Corporation. It was formerly the Kincheloe Air Force Base.

It is included in the Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021, in which it is categorized as a non-hub primary commercial service facility.

The airport received $1.1 million in 2020 as part of the federal CARES act to combat the COVID-19 pandemic. The money went towards helping maintain operations and complete upgrades during the pandemic-induced travel downturn.