| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Niall•O'Toole |
| Used name | Niall•O'Toole |
| Born | 26 March 1970 in Dublin, Dublin (IRL) |
| Measurements | 190 cm / 70 kg |
| Affiliations | Commercial Rowing Club, Dublin (IRL) |
| NOC | Ireland |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1992 Summer Olympics | Rowing | IRL |
Niall O'Toole | |||
| Single Sculls, Men (Olympic) | 21 | |||||
| 1996 Summer Olympics | Rowing | IRL |
Niall O'Toole | |||
| Lightweight Double Sculls, Men (Olympic) | Brendan Dolan | 3 h1 r3/4 | ||||
| 2004 Summer Olympics | Rowing | IRL |
Niall O'Toole | |||
| Lightweight Coxless Fours, Men (Olympic) | Ireland | 6 |