Paris Charles de Gaulle Airport (IATA: CDG, ICAO: LFPG), also known as Roissy Airport, is the primary international airport serving Paris, the capital city of France. The airport opened in 1974 and is located in Roissy-en-France, 23 km (14 mi) northeast of Paris. It is named for World War II leader and French President Charles de Gaulle (1890–1970), whose initials form its IATA airport code.

Charles de Gaulle Airport serves as the principal hub for Air France and a destination for other legacy carriers (from Star Alliance, Oneworld and SkyTeam), as well as an operating base for easyJet and Norse Atlantic Airways. It is operated by Groupe ADP (Aéroports de Paris) under the brand Paris Aéroport.

In 2024, the airport handled 70,290,260 passengers and 460,916 aircraft movements, thus making it the world's ninth busiest airport and Europe's third busiest airport (after Istanbul and Heathrow) in terms of passenger numbers. Charles de Gaulle is also the busiest airport within the European Union. In terms of cargo traffic, the airport is the eleventh busiest in the world and the busiest in Europe, handling 2,102,268 tonnes (2,069,066 long tons; 2,317,354 short tons) of cargo in 2019. It is also the airport that is served by the greatest number of airlines, with more than 105 airlines operating at the airport.

As of 2017, the airport offered direct flights to the most countries and hosts the most airlines in the world.