| Tyrnävä | |
| Official Name: | Finnish: Tyrnävän kunta Swedish: Tyrnävä kommun |
| Settlement Type: | Municipality |
| Coordinates: | 64.75°N 64°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Finland |
| Subdivision Type1: | Region |
| Subdivision Name1: | North Ostrobothnia |
| Subdivision Type2: | Sub-region |
| Subdivision Name2: | Oulu sub-region |
| Leader Title: | Mayor |
| Leader Name: | Vesa Anttila |
| Established Title: | Charter |
| Established Date: | 1865 |
| Timezone: | EET |
| Utc Offset: | +02:00 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +03:00 |
Tyrnävä (pronounced as /fi/) is a municipality in the North Ostrobothnia region of Finland with a population of . It covers an area of NaNTyrnävä}}, ofwhich NaNTyrnävä}}is water. The population density isNaNTyrnävä. The municipality is unilingually Finnish. The city of Oulu is located about north of the center of Tyrnävä.
The most important product of Tyrnävä is potatoes. The municipality has a lot of seed potato production, and the Tyrnävä's region is defined as one of the four high-quality seed potato growing areas in the European Union.[1]