| Utajärvi | |
| Official Name: | Finnish: Utajärven kunta Swedish: Utajärvi kommun |
| Settlement Type: | Municipality |
| Coordinates: | 64.75°N 51°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Finland |
| Subdivision Type1: | Region |
| Subdivision Name1: | North Ostrobothnia |
| Subdivision Type2: | Sub-region |
| Subdivision Name2: | Oulunkaari |
| Leader Title: | Municipality manager |
| Leader Name: | Kyösti Juujärvi |
| Established Title: | Charter |
| Established Date: | 1865 |
| Timezone: | EET |
| Utc Offset: | +02:00 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +03:00 |
Utajärvi is a municipality of Finland. It is located in the Northern Ostrobothnia region next to the border of the Kainuu region, and is part of the former province of Oulu. It is from Utajärvi to Oulu and to Kajaani. The municipality has a population of and covers an area of NaNUtajärvi}} ofwhich NaNUtajärvi}}is water. The population density isNaNUtajärvi. The municipality is unilingually Finnish.
The municipality is probably best known for the moraine region of Rokua, which is a popular summer and sports resort.
The popular rockgroup 22-Pistepirkko was formed in Utajärvi in 1980.