| Roles | Competed in Youth Olympic Games | 
|---|---|
| Sex | Male | 
| Full name | Ioannis•Karpouzlis | 
| Used name | Ioannis•Karpouzlis | 
| Original name | Ιωάννης•Καρπουζλής | 
| Born | 1 March 1992 | 
| NOC |   Greece | 
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2010 Summer Youth Olympics | Swimming (Aquatics) |  GRE | 
Ioannis Karpouzlis | |||
| 50 metres Breaststroke, Boys (YOG) | 5 | |||||
| 100 metres Breaststroke, Boys (YOG) | 13 |