- Olivia Klimm
- Olivia Klimm & Shahadat Hossain
- Olivia Kokushubila Lwabukuna
- Olivia Lwabukuna
- Olivier Blamangin
- Olivier De Schutter
- Olivier Petitjean
- Olivier Petitjean and Elimane Diouf
- Olivier Quarante
- Olivier Sagna
- Olivier Sagna.
- Olivier Thimonier
- Oloo Janak
- Olu Mikel
- Oludolapo Onajin
- Olúfémi Táíwò
- Olúfẹ́mi Táíwò
- Olúfẹ́mi Táíwò
- Olurotimi Osha
- Olusola Muhammad
- Oluwatoyin Ade-Odutola
- Oluwole Onemola
- Olympe Bhêly-Quenum
- Omanza Eugene Shaw
- Omar Ali Ewado
- Omar Aziki
- Omar Benderra
- OMCT
- Omékongo wa Dibinga
- Omer Hussein Dualeh
