Tangipahoa River
General data
- Name: Tangipahoa River
- Water system: Gulf of Mexico
- Water type: River
- Progression: Lake Pontchartrain -> Chef Menteur Pass -> Lake Borgne -> Gulf of Mexico -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
The Tangipahoa River originates northwest of McComb in southwest Mississippi, and runs south 122 miles (196 km) through Lake Tangipahoa in Percy Quin State Park before passing into southeast Louisiana. There it flows entirely in the eponymous Tangipahoa Parish until its mouth opens into the northwest region of Lake Pontchartrain