Çatalca is a municipality and district of Istanbul Province, Turkey.
Çatalca may also refer to: Çatalca Peninsula, peninsula in european part of Turkey, west of Bosphorus
Following settlements in Turkey: Çatalca, Kızıltepe, a neighbourhood in Mardin Province Çatalca, Nizip, a neighbourhood in Gaziantep Province Çatalca, Şemdinli, a village in Hakkâri Province Çatalca, Tarsus, a neighbourhood in Mersin Province