| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Male | 
| Full name | Junshiro•Kobayashi | 
| Used name | Junshiro•Kobayashi | 
| Original name | 小林•潤志郎 | 
| Born | 11 June 1991 in Hachimantai, Iwate (JPN) | 
| Measurements | 168 cm / 55 kg | 
| NOC |   Japan | 
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2018 Winter Olympics | Ski Jumping (Skiing) |  JPN | 
Junshiro Kobayashi | |||
| Normal Hill, Individual, Men (Olympic) | 31 | |||||
| Large Hill, Individual, Men (Olympic) | 24 | |||||
| 2022 Winter Olympics | Ski Jumping (Skiing) |  JPN | 
Junshiro Kobayashi | |||
| Normal Hill, Individual, Men (Olympic) | 27 | |||||
| Large Hill, Individual, Men (Olympic) | 24 | |||||
| Large Hill, Team, Men (Olympic) | Japan | 5 |