| Oo Pey Chin | Multimedia University (MMU) |
| Ooi Ah Bah | Lincoln's Inn |
| Ooi Ai Jia | Multimedia University (MMU) |
| Ooi Ai Yen | Lincoln's Inn |
| Ooi Aik Lim | Universiti Malaya (UM) |
| Ooi Bee Hong | National University Of Singapore |
| Ooi Bee Ni | Certificate In Legal Practice (CLP) |
| Ooi Bee Yen | Certificate In Legal Practice (CLP) |
| Ooi Boo Aun | International Islamic University (IIU) |
| Ooi Chee Kin | Multimedia University (MMU) |
| Ooi Cheng Soon | Certificate In Legal Practice (CLP) |
| Ooi Chia Rou | Middle Temple |
| Ooi Chia See | Universiti Malaya (UM) |
| Ooi Chih-Jen | Certificate In Legal Practice (CLP) |
| Ooi Chih-Wen | Inner Temple |
| Ooi Chin Zin | Certificate In Legal Practice (CLP) |
| Ooi Chok Siew | Universiti Malaya (UM) |
| Ooi Chok Wei | Certificate In Legal Practice (CLP) |
| Ooi Chooi Gaik | Certificate In Legal Practice (CLP) |
| Ooi Chooi Li | National University Of Singapore |