 Hidenori Isa | Biatlon |
 Marc Iselin | Skiing |
| Masako Ishida | Skiing |
| Shih Ishizawa | Schaatsen |
| Andreas Isoz | Skiing |
 Gro Marit Istad-Kristiansen | Biatlon |
 Nicolae Istrate | Bobsleigh |
| Ayuko Ito | Schaatsen |
| Miki Ito | Skiing |
| Daiki Ito | Skiing |
 Aleksey Ivanov | Skiing |
 Tatiana Ivanova | Rodelen |
 Tom Iveson | Schaatsen |
| John Jackson | Bobsleigh |
| Lee-Steve Jackson | Biatlon |
 Lindsey Jacobellis | Skiing |
| Anders Jacobsen | Skiing |
| Astrid Uhrenholdt Jacobsen | Skiing |
 Ingrid Jacquemod | Skiing |
 Patrik Jaerbyn | Skiing |
 Milan Jagnesak | Bobsleigh |
 Vita Jakimchuk | Skiing |
 Martin Jaks | Skiing |
 Scotty James | Skiing |
 Vanessa James | Schaatsen |