Turnu (Romanian for "the tower") may refer to several places in Romania:
Turnu Măgurele, a town in Teleorman County Turnu, a village in Pecica town, Arad County Turnu Roșu, a commune in Sibiu County Turnu Ruieni, a commune in Caraș-Severin County Drobeta-Turnu Severin, a city in Mehedinți County