Saint Joe River
General data
- Name: Saint Joe River
- Water system: Columbia River
- Water type: River
- Progression: Lake Coeur d'Alene -> Spokane River -> Columbia River -> Columbia River Estuary -> Pacific Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
The Saint Joe River (sometimes abbreviated St. Joe River) is a 140-mile (225 km) long tributary of Coeur d'Alene Lake in northern Idaho.