Netaji Subhas Chandra Bose International Airport (IATA: CCU, ICAO: VECC) (Bengali pronunciation: [netad͡ʒi suβaʃ t͡ʃɔndro boʃu antord͡ʒatik bimanbɔndor]) is an international airport serving the city of Kolkata and the Kolkata metropolitan area, the capital metropolis of the Indian state of West Bengal. It is the primary aviation hub for eastern and northeastern India. It is located in Dum Dum and in proximity to Jessore Road, approximately 16 km (9.9 mi) from Dalhousie Square and Howrah Junction via the Howrah Bridge. The airport is locally known as Dum Dum Airport before being renamed in 1995 after Subhas Chandra Bose, one of the most prominent leaders of the Indian independence movement. The airport's IATA code CCU is associated with "Calcutta", the former legal name of the city. Opened in 1924, the airport is one of the oldest airports in India.

Spread over an area of 6.64 square kilometres (2.56 sq mi), the airport is the largest hub for air traffic in the eastern part of the country and one of the four operational airports in the state, the others being Bagdogra Airport in Siliguri, Cooch Behar Airport in Cooch Behar and Kazi Nazrul Islam Airport in Durgapur. The airport handled around 22 million passengers in the financial year 2024–25, making it the sixth-busiest airport in India in terms of passenger traffic, after Delhi, Mumbai, Bengaluru, Hyderabad and Chennai airports. The airport is also a major centre for flights to northeast India, Bangladesh, Bhutan, Southeast Asia and the Middle Eastern cities of Dubai, Doha and Abu Dhabi.