| Olis, Alexander C. |
| Olorundare, Ranti Matthias |
| Olorvida, Rey Cesar V. |
| Oluwole, Akadiri Peter |
| Omkareshwar, Katta |
| Omob, S M Fahim Shahriar |
| On-anong Larpparisudthi |
| On-usah Thongthai |
| Onanong Cheablam |
| Onanong Longpichai |
| Onanong Nopkhun |
| Onanong Tubtimthai |
| Ong Moc Quy |
| Ong Yin Hoe |
| Ong-Ard Praepanitchai |
| Ong, Enghue Co |
| Ong, Han Min |
| Ong, Jazmin Lim |
| Ong, Mary Elaine |
| Onga1j Phichitsurakij |