| Pielavesi | |
| Official Name: | Finnish: Pielaveden kunta Swedish: Pielavesi kommun |
| Settlement Type: | Municipality |
| Coordinates: | 63.2333°N 71.5°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: | Sami Miettinen (since 2010) |
| Timezone: | EET |
| Utc Offset: | +02:00 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +03:00 |
| Website: | www.pielavesi.fi |
Pielavesi is a municipality of Finland. It is part of the Northern Savonia region. The municipality has a population of and covers an area of NaNPielavesi}} of which NaNPielavesi}} is water. The population density is NaNPielavesi. The municipality is unilingually Finnish.
Neighbouring municipalities are Iisalmi, Keitele, Kiuruvesi, Maaninka, Pihtipudas, Pyhäjärvi, and Tervo.
On the north-western side of the village lies Lake Pielavesi.[1]
Pielavesi is also well-known for its successful volleyball club, Pielaveden Sampo.