| 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 (aged 52 years 4 months 1 day) in Nantes, Loire-Atlantique | FRA |
| NOC | France | FRA |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1908 Summer Olympics | Fencing | FRA |
Robert Quennessen | |||
| Foil, Individual, Men (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.
