| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Male | 
| Full name | Jean Léon•Maisonnave | 
| Used name | Léon•Maisonnave | 
| Born | 14 October 1882 in Saint-Maurice, Val-de-Marne (FRA) | 
| Died | 20 November 1913 in Menton, Alpes-Maritimes (FRA) | 
| Affiliations | U. V. F. S. A., (FRA) | 
| NOC |   France | 
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1900 Summer Olympics | Cycling Track (Cycling) |  FRA | 
Léon Maisonnave | |||
| Sprint, Men (Olympic) | 3 h1 r3/4 |