Elkhorn
- Elk Horn Creek
- Elk Horn, Iowa
- Elk Horn, Kentucky
- Elkhorn (TV series)
- Elkhorn (sculpture)
- Elkhorn City, Kentucky
- Elkhorn Creek (disambiguation)
- Elkhorn Formation
- Elkhorn Hills
- Elkhorn Lake
- Elkhorn Mountain
- Elkhorn Mountain (Washington)
- Elkhorn Mountains
- Elkhorn Mountains (Oregon)
- Elkhorn National Forest
- Elkhorn Park, Lexington
- Elkhorn Peak
- Elkhorn Ranch
- Elkhorn Ridge
- Elkhorn River
- Elkhorn Road
- Elkhorn Slough
- Elkhorn Tavern
- Elkhorn Township (disambiguation)
- Elkhorn coral
- Elkhorn, California
- Elkhorn, Manitoba
- Elkhorn, Missouri
- Elkhorn, Montana
- Elkhorn, Nebraska
- Elkhorn, West Virginia
- Elkhorn, Wisconsin
- Euphorbia lactea
- Forks of Elkhorn, Kentucky
- Fremont, Elkhorn and Missouri Valley Railroad
- Lake Elkhorn
- Platycerium