| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Giannis•Mittakis |
| Used name | Giannis•Mittakis |
| Original name | Γιάννης•Μιττάκης |
| Born | 8 November 1989 in Marousi, Athina, Attiki (GRE) |
| Measurements | 186 cm / 96 kg |
| Affiliations | YC Greece (GRE) |
| NOC |  Greece |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 2012 Summer Olympics | Sailing | GRE |
Giannis Mittakis | |||
| One-Person Heavyweight Dinghy, Men (Olympic) | 14 | |||||
| 2016 Summer Olympics | Sailing | GRE |
Giannis Mittakis | |||
| One-Person Heavyweight Dinghy, Men (Olympic) | 11 | |||||
| 2020 Summer Olympics | Sailing | GRE |
Giannis Mittakis | |||
| One-Person Heavyweight Dinghy, Men (Olympic) | 12 |
