Tanagra Air Base (ICAO: LGTG) is a large military air base situated in Tanagra, Greece. The air base is adjacent to Hellenic Aerospace Industry facilities. It is used as the home-base of the 114th Combat Wing (114 Πτέρυγα Μάχης, 114 ΠΜ) of the Hellenic Air Force.
It had been proposed in the 1980s that a civil terminal would be built at the airport, rendering Tanagra as a secondary Athens airport, to complement Ellinikon International Airport, which was going to be expanded. This plan was dropped when it was decided to construct the current Athens International Airport "Eleftherios Venizelos" in the Spata area east of Athens.
Since 2017, Tanagra Air Base has been the venue of the annual Athens Flying Week airshow, held in September each year.