Cochato River
General data
- Name: Cochato River
- Water system: Atlantic Ocean
- Water type: River
- Progression: Monatiquot River -> Weymouth Fore River -> Massachusetts Bay -> Gulf of Maine -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
The Cochato River is a stream rising from Avon, Massachusetts and running several miles north to its confluence with the Monatiquot River in Braintree. It is part of the Weymouth Fore River watershed and empties into Boston Harbor. The river serves as the boundary between Braintree and Randolph.