Sergio Marchetti
- AKA: Unknown Male 214719-A
- Birthday: n/a
- Astrology: n/a
- Birthplace: Italy
- Years Active: 1994 - 2000
- Ethnicity: Caucasian
- Nationality/Heritage: Italian
- Hair Color: Grey
- Measurements: n/a
- Height: n/a
- Weight: n/a
- Tattoo: n/a
- Piercing: n/a
- Frequent partners: Jean-Yves Le Castel, Richard Langin, Roberto Malone, John Walton, Mario Salieri
- Website: n/a