| Lestijärvi | |
| Official Name: | Finnish: Lestijärven kunta Swedish: Lestijärvi kommun |
| Settlement Type: | Municipality |
| Coordinates: | 63.525°N 64°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Finland |
| Subdivision Type1: | Region |
| Subdivision Name1: | Central Ostrobothnia |
| Subdivision Type2: | Sub-region |
| Subdivision Name2: | Kaustinen sub-region |
| Leader Title: | Municipal manager |
| Leader Name: | Esko Ahonen |
| Timezone: | EET |
| Utc Offset: | +02:00 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +03:00 |
| Website: | www.lestijarvi.fi |
Lestijärvi is a municipality of Finland. There is also the Lake Lestijärvi in the area.
Lestijärvi is located in the province of Western Finland and is part of the Central Ostrobothnia region. The municipality has a population of,[1] which makes it the smallest municipality of Mainland Finland in terms of population. It covers an area of NaNLestijärvi}} of which NaNLestijärvi}} is water. The population density is NaNLestijärvi.
Neighbouring municipalities are Halsua, Kinnula, Kokkola, Perho, Reisjärvi, Sievi and Toholampi.
The municipality is unilingually Finnish.
This small, isolated rural area suffers from depopulation as in many other similar parts of Finland. The local community provide a subsidy of €1,000 p.a. to families who have a child and stay in the community. Other areas of Finland have similar schemes, such as providing very cheap land. After several years, the subsidy seems to be increasing the number of children in the community.[2]