Elkhorn
- Elk Horn Creek
- Elk Horn, Iowa
- Elk Horn, Kentucky
- Elkhorn (sculpture)
- Elkhorn City, Kentucky
- Elkhorn Lake
- Elkhorn National Forest
- Elkhorn Ranch
- Elkhorn River
- Elkhorn Township (disambiguation)
- Elkhorn coral
- Elkhorn, California
- Elkhorn, Idaho
- Elkhorn, Manitoba
- Elkhorn, Mariposa County, California
- Elkhorn, Missouri
- Elkhorn, Montana
- Elkhorn, Nebraska
- Elkhorn, Pennsylvania
- Elkhorn, Tennessee
- Elkhorn, West Virginia
- Elkhorn, Wisconsin
- Euphorbia lactea
- Fremont, Elkhorn and Missouri Valley Railroad
- Fremont, Yolo County, California
- Lake Elkhorn
- Platycerium
