| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Sérgio Albert•Marquis |
| Used name | Sérgio•Marquis |
| Other names | Serge |
| Born | (circa 1929) |
| NOC |  Portugal |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1956 Summer Olympics | Sailing | POR |
Sérgio Marquis | |||
| Three-Person Keelboat, Open (Olympic) | Canopus | 13 |
Name also spelled "Marques" in some other sources.
