| Name ▼ | Age | Gender | Owner | Actions |
|---|
| Original Prankster | 1 | Colt | Lochiedo Stables | View |
| Orchid | 1 | Filly | Hidden Oak Farm | View |
| Opalite | 1 | Filly | Generous Bloodstock | View |
| One With The Force | 1 | Colt | AllegroThoroughbreds | View |
| One Way Or Another | 1 | Colt | AllegroThoroughbreds | View |
| One Fine Morning | 1 | Filly | Generous Bloodstock | View |
| Once In A While | 1 | Filly | Generous Bloodstock | View |
| On to the Next | 1 | Filly | Black Briar Stables | View |
| On the Rise | 1 | Colt | Hidden Oak Farm | View |
| On The Right Path | 1 | Filly | Black Briar Stables | View |
| On A Cloud | 1 | Filly | Black Storm West | View |
| Omnipresence | 1 | Colt | Hidden Oak Farm | View |
| Omaha Coast | 1 | Colt | Tall Oaks Farm | View |
| Olympic Sights | 1 | Filly | Black Briar Stables | View |
| Olla | 1 | Filly | Clicker Lab | View |
| Oliver Twist | 1 | Colt | Gotapa Racing | View |
| OldDevilCalledLove | 1 | Colt | Generous Bloodstock | View |
| Officer Dibble | 1 | Colt | Dreadnought | View |
| Office Supervisor | 1 | Colt | Starfish Stables | View |
| Off Ramp | 1 | Colt | Gintara Lodge | View |