Mumford River
General data
- Name: Mumford River
- Water system: Atlantic Ocean
- Water type: River
- Progression: Blackstone River -> Seekonk River -> Providence River -> Narragansett Bay -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
The Mumford River is an 18.3-mile-long (29.5 km) river in south-central Massachusetts. It is a tributary of the Blackstone River.