| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Female | |
| Full name | Ona•Carbonell Ballestero | |
| Used name | Ona•Carbonell | |
| Born | 5 June 1990 in Barcelona, Barcelona |  ESP |
| Measurements | 174 cm / 54 kg | |
| Affiliations | CN Sabadell — Sabadell, Barcelona | ESP |
| NOC | Spain | ESP |
| Medals | OG |
| Gold | 0 |
| Silver | 1 |
| Bronze | 1 |
| Total | 2 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2012 Summer Olympics | Artistic Swimming (Aquatics) | ESP |
Ona Carbonell | |||
| Duet, Women (Olympic) | Andrea Fuentes | 2 | Silver | |||
| Team, Open (Olympic) | Spain | 3 | Bronze | |||
| 2016 Summer Olympics | Artistic Swimming (Aquatics) | ESP |
Ona Carbonell | |||
| Duet, Women (Olympic) | Gemma Mengual | 4 | ||||
| 2020 Summer Olympics | Artistic Swimming (Aquatics) | ESP |
Ona Carbonell | |||
| Team, Open (Olympic) | Spain | 7 |
