| Lalsi | |
| Settlement Type: | village |
| Pushpin Map: | Estonia |
| Pushpin Label Position: | left |
| Pushpin Map Caption: | Location in Estonia |
| Coordinates: | 58.4714°N 26.0503°W |
| Subdivision Type: | Country |
| Subdivision Name: | Estonia |
| Subdivision Type1: | County |
| Subdivision Name1: | Viljandi County |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Viljandi Parish |
Lalsi is a village in Viljandi Parish, Viljandi County, in central Estonia.[1] It's located about 7km (04miles) southeast of Kolga-Jaani.
The Põltsamaa River passes through Lalsi on its northeastern side, the territory behind the river is occupied by the Alam-Pedja Nature Reserve.
Lalsi is home to Kolga-Jaani St. Nicholas Orthodox Church, which was built in 1872.[2]