| Oosterbroek | |
| Settlement Type: | Former municipality |
| Pushpin Map: | Netherlands Groningen |
| Coordinates: | 53.1833°N 59°W |
| Subdivision Type: | Country |
| Subdivision Name: | Netherlands |
| Subdivision Type1: | Province |
| Subdivision Name1: | Groningen |
| Established Title: | Period |
| Established Date: | 1965–1990 |
| Unit Pref: | Metric |
| Population Density Km2: | auto |
Oosterbroek (in Dutch; Flemish pronounced as /ˈoːstərbruk/) is a former municipality in the province of Groningen in the Netherlands.
The municipality of Oosterbroek was created in 1965, when the municipalities of Noordbroek and Zuidbroek were merged. In 1990, the municipalities of Meeden and Muntendam were merged with Oosterbroek, which was renamed to Menterwolde a year later.