| Lapinlahti | |
| Official Name: | Finnish: Lapinlahden kunta Swedish: Lapinlahti kommun |
| Settlement Type: | Municipality |
| Coordinates: | 63.3667°N 50°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Finland |
| Subdivision Type1: | Region |
| Subdivision Name1: | Northern Savonia |
| Subdivision Type2: | Sub-region |
| Subdivision Name2: | Upper Savonia |
| Leader Title: | Municipal manager |
| Leader Name: | Heikki Airaksinen |
| Established Title: | Charter |
| Established Date: | 1874 |
| Timezone: | EET |
| Utc Offset: | +02:00 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +03:00 |
Lapinlahti (in Finnish ˈlɑpinˌlɑhti/; Swedish: Lapinlahti, also Swedish: Lapinlax) is a municipality of Finland. It is part of the Northern Savonia region, located north of the city of Kuopio. The municipality has a population of and covers an area of NaNLapinlahti}} of which NaNLapinlahti}} is water. The population density is NaNLapinlahti. The municipality is unilingually Finnish.
The neighboring municipalities of Lapinlahti are Iisalmi, Kuopio, Rautavaara, Siilinjärvi and Sonkajärvi. The neighboring municipality of Varpaisjärvi was consolidated with Lapinlahti on January 1, 2011.[1]
There are a total of 229 lakes in the municipality of Lapinlahti, the largest of which include Lake Onkivesi.[2]