| Lehtsaare Nature Reserve | |
| Map: | Estonia |
| Relief: | yes |
| Location: | Estonia |
| Area: | 380 ha |
| Established: | 1992 (2017) |
Lehtsaare Nature Reserve is a nature reserve which is located in Viljandi County, Estonia.[1]
The area of the nature reserve is 380 ha.[2]
The protected area was founded in 1992 to protect the habitat for western capercaillie.