Natalbany River
General data
- Name: Natalbany River
- Water system: Gulf of Mexico
- Water type: River
- Progression: Lake Maurepas -> Pass Manchac -> Lake Pontchartrain -> Chef Menteur Pass -> Lake Borgne -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Subtropical
- Continents: North America
- Countries: United States of America
The Natalbany River drains into Lake Maurepas in Louisiana in the United States. It is about 79.5 miles (127.9 km) long.