| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Mahamat•Idriss (Koundja Ouya-) | |
| Used name | Mahamat•Idriss | |
| Born | 17 July 1942 in N'Djamena, N'Djamena |  CHA |
| Died | 3 October 1987 (aged 45 years 2 months 17 days) | |
| Measurements | 190 cm / 75 kg | |
| Affiliations | Association Sportive Fort Lamy | |
| NOC | Chad | CHA |
| France |  FRA |
Personal Best: HJ – 2.17 (1966).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1960 Summer Olympics | Athletics | FRA |
Mahamat Idriss | |||
| High Jump, Men (Olympic) | 12 | |||||
| 1964 Summer Olympics | Athletics | CHA |
Mahamat Idriss | |||
| High Jump, Men (Olympic) | 9 | |||||
| 1968 Summer Olympics | Athletics | CHA |
Mahamat Idriss | |||
| High Jump, Men (Olympic) | 21 r1/2 |
