Kõo Parish (Estonian: Kõo vald) was a rural municipality of Estonia, in Viljandi County. It had a population of 1,194 (as of 1 January 2009) and an area of 149.46 km².

Settlements

Twinnings

Kõo Parish has twinned with 3 municipalities:

• Köyliö, Finland (1991)
• Nora, Sweden (1991)
• Fladungen, Germany (1996)