| Oostbuurt | |
| Settlement Type: | Hamlet |
| Native Name Lang: | nl |
| Image Map1: | Map NL - Westland - Oostbuurt.png |
| Map Caption1: | Oostbuurt in the municipality of Westland. |
| Pushpin Map Caption: | Location in the Netherlands |
| Subdivision Type: | Country |
| Subdivision Name: | Netherlands |
| Subdivision Type1: | Province |
| Subdivision Name1: | South Holland |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Midden-Delfland |
| Coordinates: | 51.9669°N 4.2731°W |
| Population Total: | 140 |
| Population As Of: | 2007 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Area Code Type: | Dialing code |
Oostbuurt is a hamlet in the Dutch province of South Holland. It is a part of the municipality of Westland, and lies about 6 km north of Maassluis.
The statistical area "Oostbuurt", which also can include the surrounding countryside, has a population of around 150.[1]