| Name | Last Run |
|---|---|
| Ornamental Belle | Port Hedland, 06-Aug-23 |
| Ornamental Lady | Pioneer Park, 21-Dec-24 |
| Ornate | Mackay, 14-Jul-23 |
| Ornately | Wolverhampton, 20-Aug-25 |
| Ornately | Remington Park, 25-Aug-23 |
| Ornato | Turfway Park, 23-Feb-25 |
| Orne | Sapphire Coast, 27-Jul-25 |
| Orne | York, 26-Jul-25 |
| Orne River | Gold Coast, 16-Jan-16 |
| Ornela | Gulfstream, 28-Oct-24 |
| Ornela Serena | San Isidro, 27-Apr-24 |
| Ornellaia | Lingfield, 13-Nov-24 |
| Ornellaia | Saratoga, 03-Aug-25 |
| Ornery Angel | Fairmount Park, 01-Oct-25 |
| Ornery As Hell | Will Rogers Downs, 10-May-23 |
| Ornithine | Auteuil, 29-Oct-25 |
| Ornithology | Ballarat, 06-Oct-25 |
| ORNITHOLOGY | Warren, 06-Nov-10 |
| ORNITHORHYNCHUS | |
| Ornos | Moonee Valley, 06-Sep-25 |
| Oro | Ballina, 25-Jan-24 |
| Oro | Canterbury Park, 18-Aug-25 |
| Oro Argento | Kyoto, 05-Oct-25 |
| Oro Azteca | San Isidro, 06-Oct-24 |
| Oro Azteca | Fonner Park, 27-Apr-25 |
| ORO BANDIT | |
| ORO BIANCO | |
| Oro Blanco | Oakbank, 09-Feb-24 |
| Oro Blanco | Concepcion, 27-Mar-24 |
| Oro Blanco | Ohi, 02-Sep-25 |
| Oro Cosmico | Southwell, 19-Jan-23 |
| Oro De Moro Moro | Mountaineer Park, 21-Oct-24 |
| Oro First | Kawasaki, 14-Oct-25 |
| Oro Nativo | San Isidro, 31-Aug-24 |
| Oro Oro | Gulfstream, 01-Sep-24 |
| Oro Oscuro | Charles Town, 17-Aug-24 |
| Oro Preciosa | San Isidro, 31-Oct-24 |
| Oro Purosangue | Mombetsu, 26-Aug-25 |
| Oro Rosso | Nagoya, 04-Jan-23 |
| Oro Veil | Sapporo, 27-Jul-25 |
| Oro Verdi | Nagoya, 17-Sep-25 |
| Oro Y Plata | Kokura, 29-Jun-25 |
| Orocovix | Charles Town, 06-Jul-24 |
| Orodea | San Isidro, 14-Dec-23 |
| Orodoro | TRIAL Gosford, 06-Feb-17 |
| Orofina | Deauville, 29-Dec-24 |
| Orokonui | Warwick Farm, 25-Nov-20 |
| Oronero | Caulfield, 14-May-11 |
| Oronoco | Balnarring, 15-Jan-23 |
| Orosasso | Broome, 04-Jul-15 |
| Orosix | San Isidro, 25-Jun-23 |
| Oroskopio | Sapporo, 31-Aug-25 |
| Orovero | Flemington, 05-Jul-25 |
| Oroya | Esperance Bay, 13-Feb-15 |
| Orozimba | Turfway Park, 30-Mar-25 |
| Orpanama Davis | Vichy, 14-Jul-25 |
| Orpen Again | San Isidro, 30-Jun-24 |
| ORPEN ANGEL | Murray Bridge, 01-Jul-09 |
| Orpen Beach | San Isidro, 21-Dec-24 |
| ORPEN DENI | Corowa, 23-Jan-10 |