| Roles | Competed in Youth Olympic Games |
|---|---|
| Sex | Female |
| Full name | Léonie•Jeannier |
| Used name | Léonie•Jeannier |
| Nick/petnames | Léo |
| Born | 13 June 2002 in Pontarlier, Doubs (FRA) |
| Affiliations | SC Verrieres |
| NOC |  France |
| Medals | YOG |
| Gold | 0 |
| Silver | 0 |
| Bronze | 1 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2020 Winter Youth Olympics | Biathlon | FRA |
Léonie Jeannier | |||
| Sprint, Girls (YOG) | 7 | |||||
| Relay, Mixed Youth (YOG) | France | 3 | Bronze | |||
| Individual, Girls (YOG) | 6 |
