| Käo | |
| Settlement Type: | Village |
| Pushpin Map: | Estonia |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Estonia |
| Subdivision Type: | Country |
| Subdivision Name: |  Estonia |
| Subdivision Type1: | County |
| Subdivision Name1: | Tartu County |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Elva Parish |
| Population Total: | 52 |
| Population As Of: | 01.01.2005 |
Käo is a village in Elva Parish, Tartu County in southern Estonia.[1] It has a population of 52 (as of 1 January 2005).
Käo is the birthplace of Estonian poet and writer Jaan Kärner (1891-1958).