| Name ▲ | Age | Gender | Owner | Actions |
|---|---|---|---|---|
| I'm Infamous | 4 | Colt | Desert Wind Farm | View |
| I've Got You Now | 1 | Colt | Black Briar Stables | View |
| Ibelieveinfairies | 1 | Filly | Black Storm West | View |
| Icarus' Flight | 1 | Colt | Black Briar Stables | View |
| Ideology | 4 | Colt | Desert Wind Farm | View |
| Ikeda-ya | 1 | Colt | Cricket Hill | View |
| Imaginary Boatman | 1 | Filly | Starfish Stables | View |
| Imagine Riches | 1 | Colt | Hidden Oak Farm | View |
| Imagine That | 1 | Filly | Fair Isle Farm | View |
| ImagineYoureMine | 1 | Filly | Sakura Springs | View |
| Imagined Kiss | 1 | Colt | Sakura Springs | View |
| Imperatrice | 1 | Filly | New Boston Stables | View |
| Inattesa | 4 | Filly | Darkwood Stables | View |
| IncantationOfLuck | 1 | Filly | Black Briar Stables | View |
| Independence Star | 1 | Filly | Tall Oaks Farm | View |
| Indyclouds | 4 | Filly | Ivy Creek Farm | View |
| Indy’s Thunder | 1 | Filly | Littlefield | View |
| Ineffable | 1 | Filly | Cricket Hill | View |
| Insane Victor | 1 | Filly | Starfish Stables | View |
| Invierno | 1 | Filly | Denoux Stud | View |