Mad River

Mad River may refer to:

Canada

 * Mad River (British Columbia), a river of British Columbia
 * Mad River (Ontario), a river of Ontario

United States

 * Mad River (California)
 * Mad River, California, a community in Trinity County, California
 * Mad River (Connecticut), a river in New Haven County, Connecticut
 * Mad River (Cold River), a tributary of the Cold River in Maine
 * Mad River (Massachusetts), a river of Massachusetts
 * Mad River (Cocheco River), a tributary of the Cocheco River in New Hampshire
 * Mad River (Pemigewasset River), a tributary of the Pemigewasset River in New Hampshire
 * Mad River (Ohio)
 * Mad River Road, an overland route in Ohio
 * Mad River (Vermont)
 * Mad River Glen, a ski area in Vermont
 * Mad River (Washington)

Other uses

 * Mad River (band), a rock band based in San Francisco, California during the 1960s
 * Mad River (novel), a western novel by Donald Hamilton
 * Mad River Brewing Company, a brewing company in California
 * Mad River Local School District, in Riverside, Ohio, United States