Morna is a village in Karksi Commune in Viljandi County in southern Estonia. It borders the villages Muri, Tuhalaane, Hirmuküla, Oti and Pärsi as well as Halliste Commune.
Coordinates: 58°09′N 25°36′E / 58.150°N 25.600°E / 58.150; 25.600