Loutre River (Missouri tributary)
General data
- Name: Loutre River (Missouri tributary)
- Water system: Missouri River
- Water type: River
- Progression: Missouri River -> Mississippi River -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
The Loutre River is a 58.4-mile-long (94.0 km) tributary of the Missouri River in the United States.
The Loutre River begins in Audrain County. It flows into the Missouri River from the north in Montgomery County opposite the town of Hermann.