Elkhorn or Elk Horn may refer to:

Places

Antarctica

* Elkhorn Ridge, a ridge of the Convoy Range in Victoria Land

Canada

* Elkhorn, Manitoba, an unincorporated community * Elkhorn Mountain, a mountain in British Columbia

United States

Cities and communities

* Elkhorn, California, a census-designated place * Elkhorn, California, former name of Fremont, Yolo County, California * Elk Horn, Iowa, a city * Elk Horn, Kentucky, an unincorporated community * Elkhorn City, Kentucky, a city * Elkhorn Park, Lexington, Kentucky, a neighborhood * Elkhorn, Missouri, an unincorporated community * Elkhorn, Montana, a census-designated place * Elkhorn, Nebraska, a former city and neighborhood within Omaha * Elkhorn, West Virginia, an unincorporated community * Elkhorn, Wisconsin, a city * Forks of Elkhorn, Kentucky, an unincorporated community * Elkhorn Township (disambiguation), multiple places

Bodies of water

* Elk Horn Creek, a stream in Iowa * Elkhorn Creek (disambiguation), multiple places * Elkhorn Lake, a lake in Minnesota * Elkhorn River, a river in Nebraska * Elkhorn Slough, a tidal slough and estuary on Monterey Bay in California * Lake Elkhorn, manmade lake in Columbia, Maryland

Mountains and formations

* Elkhorn Formation, a geologic formation in Ohio * Elkhorn Hills, a low mountain range in California * Elkhorn Mountain (Washington), a mountain in Washington * Elkhorn Mountains, a mountain range in Montana * Elkhorn Mountains (Oregon), a mountain range in Oregon * Elkhorn Peak, a summit of the Wallowa Mountains in Oregon

Other

* Elkhorn National Forest, a former national forest in Montana * Elkhorn Ranch, a ranch built by Theodore Roosevelt near Medora, North Dakota * Elkhorn Road, a street in Las Vegas, Nevada * Elkhorn Tavern, a historic tavern in Pea Ridge, Arkansas * Fremont, Elkhorn and Missouri Valley Railroad, sometimes called "the Elkhorn", a railroad in Nebraska

Biology

* ''Euphorbia lactea'', plant also called Elkhorn * ''Platycerium'' fern, also known as Elkhorn fern * Elkhorn coral, ''Acropora palmata''

Other uses

* Elkhorn (sculpture), ''Elkhorn'' (sculpture), a work by Lee Kelly in West Haven-Sylvan, Oregon, US {{disambig, geo, plant