| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Alfonso Sergio Oronzo•Marotta |
| Used name | Alfonso•Marotta |
| Born | 2 August 1923 in Avellino, Avellino (ITA) |
| Died | 16 May 1982 in Roma, Roma (ITA) |
| NOC | Italy |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1952 Summer Olympics | Modern Pentathlon | ITA |
Alfonso Marotta | |||
| Individual, Men (Olympic) | 31 | |||||
| Team, Men (Olympic) | Italy | 11 |