2012 Zomer Olympische Spelen - Atleten
| Atleet | Sport |
|---|---|
 Chiaki Ishibashi | Aquatics |
| Kasumi Ishikawa | Tafeltennis |
| Yu Ishizu | Boogschieten |
 Pedro Isidro | Athletiek |
 Yelena Isinbayeva | Athletiek |
 Rustam Iskandari | Worstelen |
 Daniel Islas | Aquatics |
 Afa Ismail | Athletiek |
 Ismail Ahmed Ismail | Athletiek |
 Ruslan Ismailov | Schieten |
 Daniyar Ismayilov | Gewichtheffen |
 Olga Ismayilova | Wielrennen |
 John Isner | Tennis |
| Takao Isokawa | Worstelen |
 Märt Israel | Athletiek |
 Gulzhan Issanova | Judo |
 Denis Istomin | Tennis |
| Masaki Ito | Gymnastiek |
| Tatsuma Ito | Tennis |
| Hanae Ito | Aquatics |
| Mayo Itoyama | Aquatics |
 Daria Iushko | Aquatics |
| Nastassia Ivankova | Gymnastiek |
 Martin Ivanov | Judo |
| Alexandr Ivanov | Gewichtheffen |