Maastricht Aachen Airport (IATA: MST, ICAO: EHBK) is a major cargo hub and regional passenger airport in Beek in Limburg, Netherlands, located 5 NM (9.3 km; 5.8 mi) northeast of Maastricht and 15 NM (28 km; 17 mi) northwest of Aachen, Germany. It is the second-largest hub for cargo flights in the Netherlands. As of 2022, the airport had a passenger throughput of 266,000 and handled 108,000 tons of cargo.

The Maastricht Upper Area Control Centre (MUAC) of the European Organisation for the Safety of Air Navigation (EUROCONTROL) is also located at the airport.