| Tuusniemi | |
| Official Name: | Finnish: Tuusniemen kunta Swedish: Tuusniemi kommun |
| Settlement Type: | Municipality |
| Coordinates: | 62.8083°N 57.5°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Finland |
| Subdivision Type1: | Region |
| Subdivision Name1: | North Savo |
| Subdivision Type2: | Sub-region |
| Subdivision Name2: | North Eastern Savonia |
| Leader Title: | Municipal manager |
| Leader Name: | Timo Kiviluoma [1] |
| Established Title: | Charter |
| Established Date: | 1870 |
| Timezone: | EET |
| Utc Offset: | +02:00 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +03:00 |
| Website: | www.tuusniemi.fi |
Tuusniemi is a municipality of Finland. It is located in the North Savo region, east of Kuopio. The municipality has a population of and covers an area of NaNTuusniemi}} of which NaNTuusniemi}} is water. The population density is NaNTuusniemi
Neighbour municipalities are Heinävesi, Juankoski, Kaavi, Kuopio, Leppävirta and Outokumpu.
The municipality is unilingually Finnish.