Glasgow Airport, also known as Glasgow International Airport (IATA: GLA, ICAO: EGPF) (Scottish Gaelic: Port-adhair Eadar-nàiseanta Ghlaschu), formerly Abbotsinch Airport, is an international airport in Scotland. It is located in Paisley, Renfrewshire, 8.6 nautical miles (15.9 km; 9.9 mi) west of Glasgow city centre. In 2019, the airport handled 8.84 million passengers, an 8.4% annual decrease, making it the second-busiest in Scotland, after Edinburgh Airport, and the ninth-busiest airport in the United Kingdom.

The airport is owned and operated by AGS Airports which also owns and operates Aberdeen and Southampton airports. It was previously owned and operated by Heathrow Airport Holdings (formerly known as BAA). Loganair are headquartered at the airport and have a maintenance hangar here. Other major airlines using Glasgow as a base are easyJet, Jet2.com and TUI Airways.

Glasgow Airport was opened in 1966 and originally flights only operated to other places in the United Kingdom and Europe. Glasgow Airport began to offer flights to other places around the world, flights which previously used Glasgow Prestwick Airport, which was subsequently relegated as the city's secondary airport catering for Ryanair and freight operators.