| Name ▲ | Age | Gender | Owner | Actions |
|---|
| Opening Scenes | 0 | Colt | Tall Oaks Farm | View |
| Opulent Versailles | 0 | Filly | Black Briar Stables | View |
| Opéra Garnier | 0 | Colt | Black Briar Stables | View |
| Orapa | 0 | Colt | Generous Bloodstock | View |
| Organism | 0 | Colt | Gintara Lodge | View |
| Otherworld Rebel | 0 | Filly | Starfish Stables | View |
| Our Cinderella | 0 | Filly | Black Storm West | View |
| Pagan | 0 | Filly | Dreadnought | View |
| Painted Disguise | 0 | Colt | Stillwater Farms | View |
| Painted Dragon | 3 | Colt | Darkwood Stables | View |
| Painted Princess | 0 | Filly | Stillwater Farms | View |
| Painted in Blood | 0 | Colt | Starfish Stables | View |
| Palantír | 0 | Filly | Gotapa Racing | View |
| Palermo Omadale | 0 | Filly | Lochiedo Stables | View |
| Palmaria | 0 | Filly | Black Storm West | View |
| Paloma's Armor | 0 | Filly | Starfish Stables | View |
| Panchaea | 0 | Filly | Fair Isle Farm | View |
| Paradise Regained | 0 | Filly | Generous Bloodstock | View |
| Paranoia Agent | 0 | Filly | New Boston Stables | View |
| Pari Passu | 0 | Filly | Black Storm West | View |