- O -
- Mohammed OAISS (Football)
- Tédi OARO (Handball)
- Pierre Emmanuel OBA MILTON (Football)
- Wissem OBEID (Football)
- Noan OBERSON (Football)
- Dimitri OBIN (Handball)
- Kokvb OBJLK (Football)
- Quentin OBLINGER (Football)
- Kader OBS (Football)
- Curtis OCKO (Football)
- Abdou ODDES (Football)
- Baptiste ODELIN (Football)
- Jean-Marc ODIN (Handball)
- Olivier ODISIO (Handball)
- Steve ODJOLO AWONO (Football)
- Paul-Yves ODY KAANE (Football)
- Teddy OFFA (Football)
- Benjamin OGER (Handball)
- Antoine OKAIS (Football)
- Warren OKALA (Football)
- David OKITANGOLO (Football)
- Jérémie OKITASHUNGU (Football)
- Sydney OKPARA (Football)
- Yaya OL (Football)
- Paul OLÉMOU (Football)
- Jonathan OLGA (Football)
- Marco OLIVEIRA (Football)
- Diogo OLIVEIRA (Handball)
- Ruben OLIVEIRA (Football)
- Paulo OLIVEIRA (Football)
- Martin OLIVER (Handball)
- Vincent OLIVETTI (Handball)
- De la Breteche OLIVIER (Handball)
- LAURENT OLIVIER (Handball)
- Sacha OLIVRO (Football)
- SACHA OLIVRO (Football)
- Kurtis OLYMPIO (Football)
- Ayad OMAR (Football)
- Salim OMARI (Handball)
- Elie OÑA (Handball)
- Vincent ONCLERCQ (Handball)
- Daniel ONDJANI (Football)
- Yume ONFROY (Football)
- Nathanaël OPOZON (Football)
- Jaime ORDONEZ (Football)
- Joseph ORLANDO ALGLAVE (Football)
- Raphael ORLIANGE (Football)
- Joseph ORSATELLI (Handball)
- Karl OSCAR (Football)
- Isaiah OSEI PREMPEH (Football)
- Mayowa OSEWA (Football)
- Yanis OSMANI (Football)
- Marcel OSSORO (Football)
- Ingolo OSTHI (Football)
- Sadok OTHMANE (Football)
- Amine OTMANE (Football)
- Ilyas OTMANI (Football)
- Zakaria OTMANI (Football)
- Denis OTOU (Football)
- Fabien OTTE (Football)
- Hamed OUACHANI (Football)
- Sacha OUAHYOUNE (Football)
- Mo OUAL (Handball)
- Dylan OUALI (Football)
- Suleyman OUALI (Football)
- Yanis OUASTI (Football)
- Youssouf OUATTARA (Football)
- Yaya OUATTARA (Football)
- Junior OUATTARA (Football)
- Djibril OUATTARA (Football)
- Zakaria OUAZZANI (Football)
- Adam OUBBÉA (Handball)
- Yassine OUBELLA (Football)
- Aissam OUBOULIHCEN (Football)
- Aissam OUBOULIHCEN (Football)
- Nordine OUCHA (Handball)
- Younesse OUDAD (Football)
- Corantin OUDARD (Handball)
- Marwan OUDGHIRI (Football)
- Alain OUDIN (Handball)
- Azedine OUDNI (Football)
- Iman OUED (Football)
- Brice OUEDRAOGO (Football)
- Mael OUEDRAOGO (Football)
- Alexandre OUENDENO (Football)
- Anis OUFFROUKH (Football)
- Kilani OUIDED (Handball)
- Mehdi OUKKAL (Football)
- Hamza OULBID (Football)
- Lahcen OULD BLAL (Football)
- Amine OULHADJ (Football)
- Aksel OULMI (Football)
- Rayan OUM (Football)
- Zyad OUMALOUL (Football)
- Nafal OUMARKATAR (Handball)
- Mounir OUMESSAD (Football)
- Mohamed OUNAJAR (Football)
- Alif OUNEDJAR/BELAMINE (Football)
- Khea OUOMBLEON (Football)
- Arthur OURIACHI (Handball)