Maxwell Brook
General data
- Name: Maxwell Brook
- Water system: Delaware River
- Water type: River
- Progression: Cannonsville Reservoir -> West Branch Delaware River -> Delaware River -> Delaware Bay -> Atlantic Ocean -> Planet Earth
- Climates: Continental
- Continents: North America
- Countries: United States of America
Maxwell Brook is a river in Delaware County, New York. It flows into Cannonsville Reservoir west-northwest of Rock Rift.