| NAME | GENDER | BREED | COLOR | HEIGHT | ABILITIES | PLAYER |
|---|---|---|---|---|---|---|
| Ignatius | Male | Shire | Dappled Grey | 18 hh | Air I | Chronic |
| Iiwi | Female | Hybrid | Red | 13.2 hh | Fire II, Missing one half of left ear | North |
| Ilaen | Male | Orlov Trotter | Gray (unknown base) | 16.3 hh | Electricity II | Shenan |
| Iliad | Male | Hanoverian x Thoroughbred | Unknown | Unknown | Air I | Aznarin |
| Illosa | Female | Mustang | Blue Roan | 14 hh | Psychic I | Josalyn |
| Illumina | Female | Arabian | Unknown | Unknown | Water I, Blue tinted | Jaya |
| Illusen | Female | Hispano Arabian | Grey (Bay based) | 15.2 hh | Earth I | Anna |
| Illusion | Female | Andalusian | Liver chestnut | 15.2 hh | Air I | Illusion |
| Illusion | Female | Lippizan | Gray (black base) | 15.2 hh | Psychic I | Charlie |
| Impossible | Female | Arabian | Grey | 14.3 hh | Earth II | Impossible Brandy |
| Imri | Female | Spanish Mustang | Dappled Grey | 14 hh | Air I | Seven |
| India | Female | Hybrid | Palomino Sabino | Unknown | Earth I, Shapeshift Into A Chameleon | Gale |
| Inky | Female | Thoroughbred | Black | 16 hh | Earth I | Bess |
| Innocent Melody | Female | Mustang | Unknown | Unknown | None | Frizzbe |
| Insomnia | Female | Hybrid | Unknown | Unknown | Earth II | Rain |
| Invidia | Female | Arabian | Bay | 15.3 hh | None | Obsidian |
| Iridescence | Female | Mustang | Unknown | Unknown | Fire I | Momoko |
| Iridesius | Female | Kiger Mustang | Dun | 15 hh | Earth I | Arella |
| Iris | Female | Thoroughbred | Unknown | Unknown | Air I | Chloe 2 |
| Iro | Male | Warmblood Hybrid | Silver Black | 16.1 hh | None | Julz |