| Heinävesi | |
| Official Name: | Finnish: Heinäveden kunta Swedish: Heinävesi kommun |
| Settlement Type: | Municipality |
| Coordinates: | 62.425°N 66°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Finland |
| Subdivision Type1: | Region |
| Subdivision Name1: | North Karelia[1] |
| Subdivision Type2: | Sub-region |
| Subdivision Name2: | Joensuu sub-region |
| Leader Title: | Municipal manager |
| Leader Name: | Riitta A. Tilus |
| Established Title: | Charter |
| Established Date: | 1869 |
| Timezone: | EET |
| Utc Offset: | +02:00 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +03:00 |
| Website: | www.heinavesi.fi |
Heinävesi (in Finnish ˈhei̯næˌʋesi/) is a municipality of Finland. It is located in the North Karelia[1] region. The municipality has a population of and covers an area of NaNHeinävesi}} of which NaNHeinävesi}} is water. The population density is NaNHeinävesi. Neighbouring municipalities are Savonlinna, Varkaus, Leppävirta, Tuusniemi, Outokumpu and Liperi. The city of Joensuu is located northeast of Heinävesi. The municipality is unilingually Finnish.
In 2021, Heinävesi had its region reassigned from South Savonia to North Karelia.[2]
The only Orthodox Christian monasteries in Finland, the New Valamo Monastery and the Lintula Holy Trinity Convent, are located in Heinävesi.