 
| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Male | 
| Full name | Yu•Won-Cheol | 
| Used name | Yu•Won-Cheol | 
| Nick/petnames | Box Check I | 
| Name order | Oriental | 
| Original name | 유•원철 | 
| Other names | Yoo Won-Chul | 
| Born | 20 July 1984 in Masan, Gyeongsangnam (KOR) | 
| Measurements | 165 cm / 59 kg | 
| Affiliations | Pohang Iron and Steel Company, Pohang (KOR) | 
| NOC |  Republic of Korea | 
| Medals | OG | 
| Gold | 0 | 
| Silver | 1 | 
| Bronze | 0 | 
| Total | 1 | 
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2008 Summer Olympics | Artistic Gymnastics (Gymnastics) |  KOR | Yu Won-Cheol | |||
| Individual All-Around, Men (Olympic) | 85 r1/2 | |||||
| Team All-Around, Men (Olympic) | Republic of Korea | 5 | ||||
| Parallel Bars, Men (Olympic) | 2 | Silver | ||||
| Rings, Men (Olympic) | 11 r1/2 | |||||
| 2016 Summer Olympics | Artistic Gymnastics (Gymnastics) |  KOR | Yu Won-Cheol | |||
| Team All-Around, Men (Olympic) | Republic of Korea | 11 r1/2 | ||||
| Parallel Bars, Men (Olympic) | 45 r1/2 | |||||
| Horizontal Bar, Men (Olympic) | =27 r1/2 | |||||
| Rings, Men (Olympic) | 19 r1/2 |