| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Janne Mikael•Happonen | |
| Used name | Janne•Happonen | |
| Nick/petnames | Havu | |
| Born | 18 June 1984 in Kuopio, Pohjois-Savo |  FIN |
| Measurements | 180 cm / 63 kg | |
| Affiliations | Puijon Hiihtoseura — Kuopio, Pohjois-Savo | FIN |
| NOC | Finland | FIN |
| Medals | OG |
| Gold | 0 |
| Silver | 1 |
| Bronze | 0 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2006 Winter Olympics | Ski Jumping (Skiing) | FIN |
Janne Happonen | |||
| Normal Hill, Individual, Men (Olympic) | 28 | |||||
| Large Hill, Team, Men (Olympic) | Finland | 2 | Silver | |||
| 2010 Winter Olympics | Ski Jumping (Skiing) | FIN |
Janne Happonen | |||
| Normal Hill, Individual, Men (Olympic) | =19 | |||||
| Large Hill, Individual, Men (Olympic) | AC r2/2 | |||||
| Large Hill, Team, Men (Olympic) | Finland | 4 |
