| Porsa | |
| Settlement Type: | Village |
| Pushpin Map: | Estonia |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Estonia |
| Coordinates: | 58.2447°N 25.8758°W |
| Subdivision Type: | Country |
| Subdivision Name: | Estonia |
| Subdivision Type1: | County |
| Subdivision Name1: | Viljandi County |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Viljandi Parish |
| Population Total: | 63 [1] |
| Population As Of: | 2011 |
Porsa is a village in Viljandi Parish, Viljandi County, Estonia. Until the 2017 administrative reform of Estonian municipalities the village was located in Tarvastu Parish. Porsa is located 21 km (13 miles) southeast of the town of Viljandi, 1.4 km (0.9 miles) north of the small borough of Mustla, near the western shore of Lake Võrtsjärv. Other neighboring villages include Tarvastu, Ülensi and Villa.[2] As of 2011, the population of Porsa was 63, a decrease in population from 73 in the 2000 census.[3]