Melvin River
General data
- Name: Melvin River
- Water system: Merrimack River
- Water type: River
- Progression: Lake Winnipesaukee -> Winnipesaukee River -> Merrimack River -> Gulf of Maine -> Atlantic Ocean -> Planet Earth
- Climates: Temperate
- Continents: North America
- Countries: United States of America
The Melvin River is an 8.1-mile-long (13.0 km) river in the Lakes Region of central New Hampshire in the United States. It is a tributary of Lake Winnipesaukee, part of the Merrimack River watershed.