| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Joannes Baptista "Jean"•Lefèbvre (Smit-) |
| Used name | Jean•Lefèbvre |
| Born | 18 October 1893 in Borgerhout, Antwerpen (BEL) |
| Affiliations | K. Tubantia F.C., Borgerhout (BEL) |
| NOC | Belgium |
Personal Bests: 100 – unknown; LJ – 6.87 (1921); JT – 41.06 (1919).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1920 Summer Olympics | Athletics | BEL |
Jean Lefèbvre | |||
| 100 metres, Men (Olympic) | 5 h11 r1/4 | |||||
| Long Jump, Men (Olympic) | 24 r1/2 | |||||
| Javelin Throw, Men (Olympic) | 22 r1/2 |