| Area | 272.1 km² |
| Population | 164,837 |
Ylivieska is a city and municipality in the region of Eastern Selgetalia (Finnish: Itäinen Suomenselkä), province of Vasa, Finland.
The surrounding municipalities are clockwise from south:
- Sorvoja
- Sievi
- Korhoskylä
- Rautio
- Alavieska
- Petäjäskoski
- Oulainen