Indianapolis International Airport (IATA: IND, ICAO: KIND, FAA LID: IND) is an international airport located seven miles (11 km) southwest of downtown Indianapolis in Marion County, Indiana, United States. It is owned and operated by the Indianapolis Airport Authority. The Federal Aviation Administration (FAA) National Plan of Integrated Airport Systems for 2017–2021 categorized it as a medium hub primary commercial service facility. The airport has flights to over 40 destinations in the United States, Canada and Mexico.

The airport occupies 7,700 acres (3,116 ha) in Wayne and Decatur townships in Marion County. IND is home to the second largest FedEx Express hub in the world; only the FedEx SuperHub in Memphis, Tennessee surpasses its cargo traffic. Additionally, because of FedEx's activity, IND consistently ranks among the top 10 busiest U.S. airports in terms of air cargo throughput. Republic Airways is also headquartered at the airport, and Allegiant Air maintains Indianapolis as a focus city.

The Indianapolis Air Route Traffic Control Center (ZID), one of 22 established FAA area control centers, is located on the airport property's north side.