Bayou Tortue
General data
- Name: Bayou Tortue
- Water system: Atchafalaya River
- Water type: River
- Progression: Bayou Teche -> Atchafalaya River -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Subtropical
- Continents: North America
- Countries: United States of America
Bayou Tortue is a historic waterway in southern Louisiana. Historically the area around it and the lake basin (near Spanish Lake) was more extensive marsh/swamp/pond/lake + bayou — connecting to broader marsh networks and rivers.