Oldbury may refer to:
- Oldbury, Western Australia, a district south of Perth, Australia
- Oldbury, West Midlands, a town in the Metropolitan Borough of Sandwell, England, UK
- Oldbury, Shropshire, a village near Bridgnorth, England, UK
- Oldbury, South Gloucestershire, a village north of Bristol, England, UK
- Oldbury-on-Severn, a village near the mouth of the River Severn in South Gloucestershire, England, UK
- Oldbury Naite, a village in South Gloucestershire, England, UK
- Oldbury-on-the-Hill, a village and former civil parish in Gloucestershire, England, UK
- Oldbury, Warwickshire, a civil parish in Atherstone Rural District, Warwickshire, England, UK