Matawan is a borough in Monmouth County, New Jersey.
Matawan, or the similarly spelled Mattewan, Matteawan, or Matewan may also refer to:
- Matawan (or Matavan) Township, a former name of Aberdeen Township, New Jersey, in Monmouth County
- Matawan Regional High School, in Aberdeen Township, New Jersey
- Matawan Creek, a stream in northeastern New Jersey
- Matawan, Minnesota, an unincorporated community in Waseca County
- Matewan, West Virginia, a town in Mingo County
- Battle of Matewan or "Matewan massacre"; a 1920 coal mine-workers' strike and attempt to unionize in Matewan, West Virginia
- Matewan, a 1987 film based on the Battle of Matewan
- Matteawan, New York, a former village that is one of the constituent communities of the city of Beacon, New York