| ORPEN EYES | |
| ORPEN ISABELLA | |
| Orpen Mask | San Isidro,
29-Sep-24 |
| Orpen Rimout | San Isidro,
23-Sep-24 |
| Orpen Soup | San Isidro,
23-Nov-23 |
| ORPEN'S ANGEL | Hawkesbury,
20-Dec-09 |
| Orpenadoro | San Isidro,
22-Aug-24 |
| ORPENITCANAPPEN | Mudgee,
08-Apr-12 |
| Orphan Business | Northam,
21-Jun-12 |
| Orphan Eagle | Hobart,
20-Jul-25 |
| Orphan Ellie | Newcastle,
07-Oct-25 |
| Orphan Exchange | Presque Isle Downs,
15-Oct-24 |
| Orphan Hallie | Woodbine,
14-Dec-24 |
| Orphan Ollie | Hamilton,
03-Aug-25 |
| Orphan's Trust | Doomben,
26-Oct-24 |
| Orphelia | Hawkesbury,
03-Sep-11 |
| Orpheline | Casterton,
11-Aug-24 |
| Orpheum | Canterbury Park,
07-Apr-21 |
| Orpheus | TRIAL Armidale,
04-Mar-17 |
| Orpheus | Funabashi,
03-Apr-25 |
| Orpington | Thurles,
30-Nov-23 |
| Orquesta | Echuca,
07-Jul-18 |
| Orquidea | Seymour,
28-Feb-10 |
| Orquidea Real | Colonial Downs,
14-Sep-25 |
| Orreza | Quirindi,
08-May-23 |
| Orrong Road | Warracknabeal,
29-Jul-23 |
| Orrstar | Wagga,
24-Dec-18 |
| Orsay | Morioka,
03-Sep-24 |
| Orsetto | Ipswich,
21-Dec-24 |
| Orsippus | Queanbeyan,
12-May-19 |
| Orso | ParisLongchamp,
03-Sep-23 |
| Orso Bianco | Tokyo,
11-Oct-25 |
| Orsome Dude | Riccarton Park,
25-Oct-25 |
| Orson | Aquis Beaudesert,
28-Dec-20 |
| ORSSINI | Gilgandra,
25-Jul-15 |
| Orsum | Port Macquarie,
11-Oct-25 |
| Ortabearockstar | Derby,
20-Jul-24 |
| Ortabegood | Kalgoorlie,
19-Aug-12 |
| Ortega | Ellerslie,
06-Sep-25 |
| Ortega | Bairnsdale,
09-Sep-24 |
| Ortega Lane | Birdsville,
06-Sep-19 |
| Ortelius | Leopardstown,
12-May-24 |
| Ortem Legacy | Tauranga,
01-Nov-25 |
| Ortensia | Scone,
18-May-13 |
| Ortensia | Saga,
09-Jul-24 |
| Orth | Emerald Downs,
01-Sep-25 |
| Orthie's Boy | Coffs Harbour,
14-Oct-16 |
| Orthie's Boys | Newcastle,
01-Nov-25 |
| Orthie's Girls | Newcastle,
19-Oct-24 |
| Orthies | Hawkesbury,
16-Oct-25 |
| Ortho Diana | Ohi,
28-Dec-22 |
| Ortho Jupiter | Mombetsu,
23-Sep-25 |
| Ortho Slugger | Ohi,
10-Oct-25 |
| Ortho Star | Churchill Downs,
27-Jun-25 |
| Ortigia | Fontwell,
31-Aug-24 |
| Ortigia | Nakayama,
13-Sep-25 |
| Ortigian Girl | Bairnsdale,
21-Jul-25 |
| Ortiza | San Isidro,
21-Apr-24 |
| Ortley Avenue | Saratoga,
11-Aug-25 |
| Ortodoxa | Valparaiso Sporting Club,
24-Oct-23 |