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), a work by Lee Kelly in West Haven-Sylvan, Oregon, US Elkhorn (TV series), American television drama series