Eldora is the name of several places in the United States:
- Eldora, Colorado
- Eldora, Florida
- Eldora, Iowa
- Eldora, New Jersey
- Eldora, Pennsylvania
- Eldora Speedway, auto racing track near New Weston, Ohio
- Ships
- Eldora (ship, 1904), a windjammer, see Placilla (ship)
- Eldora (ship, 1937), see Boats of the Mackenzie River watershed