| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Male | 
| Full name | Kim•Dong-Seon | 
| Used name | Kim•Dong-Seon | 
| Name order | Oriental | 
| Original name | 김•동선 | 
| Born | 30 May 1989 in Seoul, Seoul (KOR) | 
| Measurements | 189 cm / 80 kg | 
| Affiliations | Hanhwa Galleria Equestrian Team [Republic of Korea] | 
| NOC |   Republic of Korea | 
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2016 Summer Olympics | Equestrian Dressage (Equestrian) |  KOR | 
Kim Dong-Seon | |||
| Individual, Open (Olympic) | Bukowski | 43 | ||||
| 2020 Summer Olympics | Equestrian Dressage (Equestrian) |  KOR | 
Kim Dong-Seon | |||
| Individual, Open (Olympic) | Belstaff | 55 |