| Name | Membership No. | Grade | Branch |
|---|---|---|---|
| Godwin Olaide Okuneye | SE 0032 | Member | Lagos |
| Tunde Kunle Okunrinboye | SE 0066 | Member | Ibadan |
| Mbim David Okutinyang | SE 0555 | Fellow | Ibadan |
| Olusegun Ademola Okuwa | SE 0171 | Member | Lagos |
| Stephen Chiba Okwudarue | SE 0057 | Member | Lagos |
| John George Okwudiafor | SE 0514 | Fellow | Lagos |
| Dominic E Okwuorah | SE 0426 | Fellow | Owerri |
| Ifedayo Olawale Oladapo | SE 0014 | Fellow | Lagos |
| Olapade Saburi Oladapo | SE 0609 | Member | Lagos |
| Rafiu Olabode Oladapo | SE 0377 | Member | Ibadan |
| Abiodun Tayo Oladeji | SE 0776 | Member | Lagos |
| Olaniyi Oladeji | SE 0301 | Member | Ibadan |
| Mrs Oluyemisi Joy Oladejo | SE 0582 | Member | Ibadan |
| Amos David Oladokun | SE 0682 | Member | Lagos |
| Johnson Olawole Oladunni | SE 0145 | Member | Lagos |
| Olufemi Johnson Olagundoye | SE 0635 | Member | – |
| Emmanuel Olayinka Olagunju | SE 0741 | Member | Abuja |
| Kamil Adekola Olalekan | SE 0757 | Member | – |
| Olaiya Adesoji Olanipekun | SE 0410 | Member | Lagos |
| Olalekan Nath Olanipekun | SE 0581 | Member | Lagos |
| Israel O Olaosebikan | SE 0779 | Member | – |
| Adekunle Christopher Olaoye | SE 0673 | Member | Ibadan |
| Joshua Olorunfemi Olaoye | SE 0873 | Member | – |
| Fredrick I Olasanoye | SE 0268 | Member | Lagos |
| Olubayo Olateju | SE 0538 | Fellow | Ibadan |