Mexico City International Airport (Spanish: Aeropuerto Internacional de la Ciudad de México, AICM); officially Aeropuerto Internacional Benito Juárez (Benito Juárez International Airport) (IATA: MEX, ICAO: MMMX) is the primary international airport serving Greater Mexico City. It is the busiest airport in Mexico and Latin America, ranking as the 17th-busiest in the world and eighth in North America as of 2022, based on passenger traffic and aircraft movements.

The airport is served by more than 25 airlines, handling flights to over 100 destinations across Mexico, the Americas, Europe, and Asia. With an average of 132,000 daily passengers, the airport handled 46,200,529 passengers in 2022 and 48,415,693 in 2023.

As the primary hub for Mexico's flag carrier, Aeroméxico, Mexico City Airport functions as a SkyTeam hub. Additionally, it serves as a hub for Volaris and Viva Aerobus, and a focus city for Magnicharters. The facility comprises two passenger terminals and two runways. It supports cargo activities and accommodates entities such as Mexican Airspace Navigation Services, the Mexican Federal Civil Aviation Agency, and an Air Force Base. It is owned by the Mexican Navy and operated by Grupo Aeroportuario de la Ciudad de Mexico. It was named after the 19th-century president Benito Juárez.