| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Robert Pierre Adrien Émile Frédéric•Quennessen (Drodelot-) |
| Used name | Robert•Quennessen |
| Born | 17 February 1888 in Lorient, Morbihan (FRA) |
| Died | 18 June 1940 in Nantes, Loire-Atlantique (FRA) |
| NOC | France |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1908 Summer Olympics | Fencing | FRA |
Robert Quennessen | |||
| Foil, Individual, Open (Olympic (non-medal)) | ||||||
| Épée, Individual, Men (Olympic) | =3 p8 r2/4 |
Name previously given as René Quenessen, but this is not supported by contemporary French fencing sources.