| Westerkwartier | |
| Settlement Type: | Municipality |
| Flag Size: | 100x67px |
| Map Alt: | Highlighted position of Westerkwartier in a municipal map of Groningen |
| Coordinates: | 53.225°N 6.3528°W |
| Subdivision Type: | Country |
| Subdivision Name: | Netherlands |
| Subdivision Type1: | Province |
| Subdivision Name1: | Groningen |
| Governing Body: | Municipal council |
| Leader Party: | PvdA |
| Leader Title: | Mayor |
| Leader Name: | Ard van der Tuuk |
| Unit Pref: | Metric |
| Area Total Km2: | 368.87 |
| Population Total: | 63031 |
| Population As Of: | January 2019 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postcode |
| Area Code Type: | Area code |
Westerkwartier (Western Frisian: Westerkertier) is a municipality in the Netherlands, in the province of Groningen.
The municipality was formed on 1 January 2019, by the merger of the municipalities of Grootegast, Leek, Marum, Zuidhorn and partly Winsum.[1]
Map of the municipality of Westerkwartier