Suure-Jaani is a town in the northern part of the county of Viljandimaa in Põhja-Sakala rural municipality, 25 kilometres north of the town of Viljandi. Until 2017, Suure-Jaani was the administrative

Suure-Jaani Parish was a rural municipality of Estonia, in Viljandi County. It had a population of 6,178 and an area of 742.83 km2.