| Athlete |
Nation(s) |
Sport(s) |
Role(s) |
Era |
Notes |
| Tobi Amusan |
 NGR |
ATH |
Olympics / Opening Flagbearer |
2016—2024 |
2024 Paris - WA appeal to CAS after she was cleared of whereabouts failures in July 2023 |
| Mohamed Ihab |
 EGY |
WLF |
Olympics |
2016 |
2016 Rio - Metandienone in retesting |
| Koki Ikeda |
 JPN |
ATH |
Olympics |
2020—2024 |
2020 Tokyo, 2024 Paris - Biological passport irregularities, results disqualified from June 2023. Appealing to CAS |
| Benard Kibet |
 KEN |
ATH |
Olympics |
2024 |
2024 Paris - Biological passport irregularities, dates unknown |
| Vladislav Ryabtsev |
 RUS |
ROW |
Olympics |
2012—2016 |
2016 Rio - Under investigation for possible doping in 2014 |