| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Marco•Veilleux | |
| Used name | Marco•Veilleux | |
| Born | 29 October 1962 in Montréal, Québec |  CAN |
| Measurements | 168 cm / 65 kg | |
| Affiliations | Pacific Dolphins — Vancouver, British Columbia | CAN |
| NOC | Canada | CAN |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1984 Summer Olympics | Swimming (Aquatics) | CAN |
Marco Veilleux | |||
| 100 metres Breaststroke, Men (Olympic) | 19 |
