| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Guglielmo•Marsili | |
| Used name | Guglielmo•Marsili | |
| Nick/petnames | Mino | |
| Born | 2 February 1946 in Napoli, Napoli |  ITA |
| Measurements | 175 cm / 75 kg | |
| Affiliations | R.N. Florentia — Firenze, Firenze | ITA |
| NOC | Italy | ITA |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Water Polo (Aquatics) | ITA |
Guglielmo Marsili | |||
| Water Polo, Men (Olympic) | Italy | 6 |
