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