| Orawan Meeporncharoenkit |
| Orawan Phochai |
| Orawan Tilokskulchai |
| Orawan Tipmongkolsilp |
| Orawon Hannarong |
| Orejudos, Jerson New |
| Orm Davy |
| Ornanong Chaicharoen |
| Ornkamon Wang-a-pisit |
| Ornprapa Pummakarnchana |
| Ornuma Thongniramol |
| Ortinero, Cesar |
| Oruthota, O. A. Udesh Sanjika |
| Osabel, Dave Montellano |
| Osman, Buntar |
| Ossor, Abdellatif |
| Osti, Krishna Prasad |
| Othman, Abdul Aziz |
| Othman, Muhammad Akhir Bin |
| Otiti, Jerome |