Roseau River (Manitoba–Minnesota)
General data
- Name: Roseau River (Manitoba–Minnesota)
- Water system: Lake Winnipeg
- Water type: River
- Progression: Red River of the North -> Lake Winnipeg -> Nelson River -> Hudson Bay -> Arctic ocean -> Planet Earth
- Climates: Continental
- Continents: North America
- Countries: United States of America, Canada
The Roseau River is a 214-mile-long (344 km) tributary of the Red River of the North, in southern Manitoba in Canada and northwestern Minnesota in the United States. Via the Red River, Lake Winnipeg and the Nelson River, it is part of the watershed of Hudson Bay.