Harraseeket River
General data
- Name: Harraseeket River
- Water system: Atlantic Ocean
- Water type: Endorheic lake
- Progression: Casco Bay -> Gulf of Maine -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
The Harraseeket River is a 3.2-mile-long (5.1 km) tidal river in the town of Freeport within the U.S. state of Maine. It forms a northern arm of Casco Bay.