| Okesutora | Alice Springs,
21-Jun-26 |
| Okey Dokey Smokey | Canterbury Park,
17-Jul-23 |
| Okeyspecialdaddy | Sunland Park,
22-Mar-26 |
| Oki Berserk | Tokyo,
07-Jun-26 |
| Okiagari Koboshi | Ohi,
04-Dec-25 |
| Okie Attitude | Remington Park,
11-Oct-24 |
| Okie Bandit | Remington Park,
26-Oct-25 |
| Okie Bling | Remington Park,
12-Oct-25 |
| Okie Chrome | Will Rogers Downs,
30-Apr-24 |
| Okie Clipper | Will Rogers Downs,
10-Feb-26 |
| Okie Code | Will Rogers Downs,
25-Mar-25 |
| Okie Cody | Remington Park,
30-Sep-24 |
| Okie Freeze | Sunland Park,
01-Mar-24 |
| Okie Front | Remington Park,
14-Nov-23 |
| Okie Heat | Will Rogers Downs,
17-May-23 |
| Okie Hope | Remington Park,
10-Oct-24 |
| Okie Love | Remington Park,
14-Dec-25 |
| Okie Magic | Remington Park,
19-Sep-25 |
| Okie Music | Remington Park,
03-Nov-24 |
| Okie Power | Remington Park,
17-May-25 |
| Okie Ranger | Will Rogers Downs,
15-Apr-26 |
| Okie Roper | |
| Okie Smoke | Remington Park,
20-Dec-25 |
| Okie Trouble | Remington Park,
06-Dec-24 |
| Okie Tuff | Remington Park,
06-Oct-24 |
| Okie Union | Will Rogers Downs,
04-May-23 |
| Okiharu | Nagoya,
19-Aug-25 |
| Okinawa | Beverley,
16-Aug-23 |
| Okini | Kokura,
25-Jan-25 |
| Okiro | Churchill Downs,
07-Jun-26 |
| Okiru | Redcar,
20-Jun-26 |
| Okita Soushi | Moonee Valley,
23-Aug-25 |
| Okkido | Auteuil,
23-Nov-25 |
| Oklahoma | Wanganui,
30-May-26 |
| Oklahoma | Wyong,
06-Sep-12 |
| Oklahoma | Auteuil,
24-Sep-24 |
| Oklahoma City | Fairyhouse,
08-Jun-24 |
| Oklahoma Dream | Salisbury,
14-Jun-26 |
| Oklahoma Flame | Lone Star Park,
31-May-26 |
| Oklahoma Girl | Greyville,
09-May-26 |
| Oklahoma Heat | Fairmount Park,
25-Oct-23 |
| Oklahoma Joe | Thistledown,
23-Jun-26 |
| Oklahoma Logic | Remington Park,
17-Aug-25 |
| Oklahoma Moon | Remington Park,
15-Sep-23 |
| Oklahoma Rocket | Sale,
01-Jul-18 |
| Oklahoma Rose | Albury,
04-Jun-15 |
| Oklahoma Runner | San Isidro,
28-Nov-24 |
| Oklahoma Smoke | Presque Isle Downs,
04-Jun-26 |
| Oklahoma Smokeshow | Turffontein,
07-May-26 |
| Oklahoma Thunder | NMIT Ararat Park,
09-Oct-12 |
| Oklahoma Twister | Turffontein,
30-Apr-26 |
| Oklamsina | Bordeaux Le Bouscat,
17-Sep-23 |
| Okletsgo | Monmouth Park,
21-Aug-23 |
| Okoia | TRIAL bet365 Colac,
18-Dec-23 |
| Okoju | Kanazawa,
14-Jun-26 |
| Okomoto Arabifieri | Sunshine Coast,
09-Dec-11 |
| Okorimbo Mommy | Niigata,
10-May-26 |
| Okotampe | Tokyo,
03-May-26 |
| Okoto | Makaraka,
18-Feb-18 |
| Okpo | Armidale,
23-Oct-10 |