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 busiest airport in Croatia, handling about 4.31  million passengers and some 13,025 tons of cargo in 2024.

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's administration is on the airport grounds.