Chennai International Airport formerly, Madras International Airport (IATA: MAA, ICAO: VOMM) is the primary airport serving the southern Indian city of Chennai. The airport's IATA code is "MAA". The IATA code for the airport is derived from the former name of Chennai, Madras.

Chennai International Airport has two passenger terminals. The domestic and the international terminals are named after former chief ministers of Tamil Nadu, K. Kamaraj and C. N. Annadurai respectively. It is the first airport in India to have international and domestic terminals adjacent to each other.

Reportedly it is the third busiest airport in India in terms of passenger traffic and handles more than half of the air traffic in South Asia along with Chhatrapati Shivaji International Airport, Mumbai and Indira Gandhi International Airport, New Delhi.