| Name | Membership No. | Grade | Branch |
|---|---|---|---|
| Philip Odiriobulu Ikezue | SE 0348 | Member | Lagos |
| Efe Ewaen Ikponwosa | SE 0749 | Member | Lagos |
| Segun Marion Ikugbonmire | SE 0392 | Fellow | Lagos |
| John Gbatse Ikyembe | SE 0528 | Member | Lagos |
| Richard Oluyemi Ilesanmi | SE 0139 | Fellow | Ibadan |
| Arinze Nwabueze Illoh | SE 0349 | Fellow | Owerri |
| Emeka Peter Ilodigwe | SE 0671 | Member | Lagos |
| Oliver Emeka Iloghalu | SE 0258 | Fellow | Owerri |
| Emmanuel Alade Ilori | SE 0259 | Member | Ibadan |
| Olusegun Kayode Ilori | SE 0295 | Member | – |
| Samuel Kegbhe Ilugbekhai | SE 0451 | Fellow | Lagos |
| Udo Udo Ime | SE 0716 | Member | Lagos |
| Adebo Sylvester Imosemi | SE 0318 | Member | Ibadan |
| Christian O. Imoukhuede | SE 0452 | Member | Lagos |
| Ahmed Tijani Inuwa | SE 0393 | Member | Lagos |
| Isaiah Isaac Inwang | SE 0010 | Fellow | Kaduna |
| Joseph John Inwang | SE 0296 | Member | Uyo |
| Alphonsus Iorkar | SE 0696 | Member | Abuja |
| Stephen Folorunso Ipadeola | SE 0463 | Member | Ibadan |
| Eyitayo Bolade Ipaye | SE 0819 | Member | – |
| Remi Bolaji Ipaye | SE 0197 | Member | Lagos |
| Edet Etim Isang | SE 0404 | Member | Uyo |
| Daniel Olusegun Isayinka Daniel Olusegun | SE 0845 | Member | Abuja |
| Amusa Ishola | SE 0198 | Member | Lagos |
| David Oladimeji Ishola | SE 0164 | Member | Ibadan |