Lone Helmer
- Birthday: December 11, 1940
- Astrology: Sagittarius
- Birthplace: Denmark
- Years Active: 1973 - 1974
- Ethnicity: Caucasian
- Nationality/Heritage: Danish
- Hair Color: Blond
- Measurements: n/a
- Height: n/a
- Weight: n/a
- Tattoo: n/a
- Piercing: n/a
- Frequent partners: Anne Bie Warburg, Bent Warburg, Lone Gersel, Mette Von Kohl, Vivi Rau
- Website: n/a