| Kahvena Nature Reserve | |
| Map: | Estonia |
| Relief: | yes |
| Location: | Estonia |
| Area: | 660 ha |
| Established: | 2005 |
Kahvena Nature Reserve is a nature reserve which is located in Viljandi County, Estonia.[1]
The area of the nature reserve is 660 ha.[2]
The protected area was founded in 2005 to protect valuable habitat types and threatened species in Seruküla and Uia village (former Kõpu Parish) and in Kanaküla (Saarde Parish).