| Roles | Competed in Intercalated Games |
|---|---|
| Sex | Male |
| Full name | Konstantinos•Ioannou |
| Used name | Konstantinos•Ioannou |
| Original name | Κωνσταντίνος•Ιωάννου |
| Affiliations | Panhellenios Gymnastikos Syllogos, Ermos |
| NOC |  Greece |
Personal Best: Mar – unknown.
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1906 Intercalated Games | Athletics | GRE |
Konstantinos Ioannou | |||
| Marathon, Men (Intercalated) |
