Adelaide Airport, also known as Adelaide International Airport, (IATA: ADL, ICAO: YPAD) is an international, domestic and general aviation airport serving Adelaide, South Australia, Australia. Located approximately 6 km (4 mi) west of the Adelaide central business district, Adelaide Airport is the fifth-busiest airport in Australia measured by passenger movements, servicing more than 8.5 million passengers in FY24. It has been operated privately by Adelaide Airport Limited under a long-term lease from the federal government since 29 May 1998.: p 25 

First established in 1955, a new dual international/domestic terminal was opened in 2005, replacing the ageing separate terminals. Adelaide Airport consistently ranks within the top hundred airports globally, with the airport also placing within the top ten in the 5-15 million passenger category. The airport has also received numerous awards, including being named Australia's best capital city airport in 2006, 2009, 2011, 2024, as well as Skytrax World Airport Awards' best regional airport in the Australia-Pacific region in 2022 and 2024.

Adelaide Airport is capable of handling large aircraft such as the Airbus A380, having made it a common place for numerous aircraft diversions. Boeing 747 aircraft also make common appearances at Adelaide Airport, having been a regular at the airport in previous years.

The facility covers a total area of 785 hectares (1,940 acres) of airport property.