| + OECD |
| + OKIDI, John |
| + OKOBOI, Geofrey |
| + OKUK NYANKORI |
| + OTHIENO, Lawrence |
| + Obadan, Mike I. |
| + Obasanjo, Olusegun |
| + Ofosu-Amaah, Paatii.W |
| + Ogiogio, Genevesi |
| + Okidi, John A. |
| + Okonjo-Iwela, Ngozi |
| + Oladepo, Oladimeji |
| + Olawale, Rotimi |
| + Olumuyiwa Adedeji |
| + Omiti, John |
| + Omondi, George |
| + Oni, Bankole. Prof. |
| + Oniang'o, Ruth |
| + Onyekwena, Chukwuka |
| + Opoku, Eric Evans Osei |
| + Osman Sheikh Ahmed |
|
