| Arjassaare | |
| Settlement Type: | Village |
| Pushpin Map: | Estonia |
| Pushpin Label Position: | top |
| Pushpin Map Caption: | Location in Estonia |
| Subdivision Type: | Country |
| Subdivision Name: | Estonia |
| Subdivision Type1: | County |
| Subdivision Name1: | Viljandi County |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Põhja-Sakala Parish |
| Population Total: | 30 |
| Population As Of: | 2011 Census |
Arjassaare is a village in Põhja-Sakala Parish, Viljandi County, in central Estonia.[1] As of the 2011 census, the settlement's population was 30.[2]