Cambridge City Airport (IATA: CBG, ICAO: EGSC) — previously Marshall Airport Cambridge UK — is a regional airport in Cambridgeshire, England. It is located on the eastern outskirts of Cambridge, south of Newmarket Road and west of the village of Teversham, 1.5 NM (2.8 km; 1.7 mi) from the centre of Cambridge and approximately 50 mi (80 km) from London.

Marshall of Cambridge Aerospace Limited has a CAA Public Use Aerodrome Licence (Number P433) that allows flights for the public transport of passengers or for flying instruction. The airport is available for corporate and private use, and is home to four flying schools.

Since 2016 there have been no public scheduled flights from the airport.