| Roles | Competed in Youth Olympic Games |
|---|---|
| Sex | Male |
| Full name | Perenang Arnoscy Pratama•Siahaan |
| Used name | Arnoscy•Siahaan |
| Born | 2 January 1992 |
| NOC | Indonesia |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2010 Summer Youth Olympics | Swimming (Aquatics) | INA |
Arnoscy Siahaan | |||
| 200 metres Butterfly, Boys (YOG) | 20 |