Zagreb Franjo Tuđman Airport (Croatian: Zračna luka Franjo Tuđman Zagreb) or Zagreb Airport (Croatian: Zračna luka Zagreb) (IATA: ZAG, ICAO: LDZA) is an international airport serving Zagreb, Croatia. It is the largest and busiest airport in Croatia. In 2023 it handled 3.72 million passengers and some 10,859 tons of cargo.

Named after Franjo Tuđman, the first President of Croatia, the airport is located some 10 km (6.2 mi) southeast of Zagreb Central Station in Velika Gorica. It is the hub of the Croatian flag carrier Croatia Airlines and a focus city for Trade Air. The main base of the Croatian Air Force is also located on the airport's premises. Moreover, the Croatian Air Traffic Control has its administration situated on the grounds of the airport.