| Vastemõisa | |
| Settlement Type: | Village |
| Pushpin Map: | Estonia |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in Estonia |
| Coordinates: | 58.4419°N 25.4456°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Estonia |
| Subdivision Type1: | County |
| Subdivision Name1: | Viljandi County |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Põhja-Sakala Parish |
| Population Total: | 435 |
| Population As Of: | 2009 |
Vastemõisa is a village in Põhja-Sakala Parish, Viljandi County in central Estonia. It has a population of 435 (as of 2009).[1] Until 2005 when Vastemõisa Parish was merged to Suure-Jaani Parish, Vastemõisa was the administrative centre of Vastemõisa Parish. In 2017, Suure-Jaani Parish was merged to Põhja-Sakala Parish.