Big Horn

Big Horn or Bighorn may refer to:


 * Bighorn sheep, a species native to North America

Canada

 * Bighorn, British Columbia
 * Bighorn Dam, Alberta
 * Bighorn River (Alberta)
 * Bighorn Wildland Provincial Park, a proposed park in Alberta
 * Big Horn 144A, an Indian reserve in Alberta
 * Municipal District of Bighorn No. 8, a municipal district in Alberta

United States

 * Big Horn, Wyoming
 * Big Horn County, Montana
 * Big Horn County, Wyoming
 * Big Horn (Washington), a peak in the state of Washington
 * Bighorn Mountain, in Nebraska
 * Bighorn Mountains, in Wyoming and Montana
 * Bighorn Mountains (California), in San Bernardino County
 * Bighorn Basin, in Wyoming and Montana
 * Bighorn Canyon National Recreation Area, in Wyoming and Montana
 * Bighorn National Forest, in Wyoming
 * Bighorn Lake, in Wyoming and Montana
 * Bighorn River, in Wyoming and Montana

Other uses

 * USS Big Horn (AO-45), a US Navy tanker 1942–1946
 * USS Big Horn (T-AO-198), a US Navy fleet replenishment oiler since 1992
 * Big Horn, Manchester, a public sculpture in Manchester, England
 * Big Horn Academy Building, a school in Cowley, Wyoming, US
 * Big Horn Hotel, a demolished historic building in Arminto, Wyoming, US
 * The Big Horn, a 1979 album by Houston Person
 * Bighorn Airways, an American charter company
 * Bighorn Fire, a 2020 wildfire near Tucson, Arizona, US
 * Isuzu Bighorn, or Isuzu Trooper, an SUV