Maranoa may refer to several places in Australia:
- Maranoa, Queensland, a region of South West Queensland, Australia
- Division of Maranoa, an electoral district in the Australian House of Representatives
- Maranoa Region, a local government area in Queensland
- Maranoa County, a Cadastral County in Queensland relating to the same area
- Maranoa Land District
- Maranoa River, a river in the area
- Maranoa Gardens, a park in the Melbourne suburb of Balwyn, Victoria