Campbelltown can refer to:
- Places in Australia
- Towns/suburbs:
- Campbelltown, New South Wales
- Campbelltown Stadium, a sports ground used most often for Rugby League matches
- Campbelltown, South Australia
- Campbell Town, Tasmania
- Campbelltown, New South Wales
- Government areas:
- Electoral district of Campbelltown, state electoral district in New South Wales
- City of Campbelltown, New South Wales, local government area in New South Wales
- City of Campbelltown, South Australia, local government area in South Australia
- Places in the United States
- Campbelltown, Pennsylvania