 Lynna Irby | Athletiek |
 Ryosuke Irie | Aquatics |
 Kamola Irnazarova | Gymnastiek |
 Edgar Iro | Aquatics |
 Abigail Irozuru | Athletiek |
 Diana Iscaye | |
 Ola Stunes Isene | Athletiek |
 Valentina Iseppi | Roeien |
 Mohab Ishak | Aquatics |
 Olimjon Ishanov | Aquatics |
| Naoko Ishihara | Schieten |
| Yu Ishikawa | |
 Justyna Iskrzycka | Canoe/Kayak |
 Md Shariful Islam | Aquatics |
 Istanbull V.H Ooievaarshof | |
| Denis Istomin | Tennis |
| Minami Itahashi | Aquatics |
| Rikuya Ito | Athletiek |
| Tatsuhiko Ito | Athletiek |
| Hiroki Ito | Aquatics |
| Yoichi Itokazu | Gewichtheffen |
 Usheoritse Itsekiri | Athletiek |
 Florentina Iusco | Athletiek |
 Tihomir Ivanov | Athletiek |
| Antani Ivanov | Aquatics |