| Surname | Name(s) | Club | Country | |
|---|---|---|---|---|
| Obeng | Francis | Santarcangelo | Ghana | |
| Obodai | Anthony | Ã?nge | Sweden | |
| Ocansey | Eric | AS Eupen | Belgium | |
| Odjer | Moses | Salernitana | Italy | |
| Odoi | Bradley Hudson | Vasas | Hungary | |
| Oduro | Dominic | Nordsjælland | Denmark | |
| Oduro | Dominic | Montreal Impact | United States | |
| Oduro-Opuni | Ofosuhene | Altona 93 | Germany | |
| Ofei | Stephen | Litex Lovetch | Bulgaria | |
| Ofori | Ebenezer | VfB Stuttgart | Germany | |
| Ofori | Richard | Wa All Stars | Ghana | |
| Ofori | Richard | Acadamica | Portugal | |
| Ofosu | George Nana Kwame | Oliveirense | Portugal | |
| Ofosu-Appiah | Michael | Tallinna Infonet | Estonia | |
| Ofosu-Ayeh | Philemon | Eintracht Braunschweig | Germany | |
| Ohemeng | Ernest | Rio Ave | Portugal | |
| Okine | Emmanuel | Sweden | ||
| Okyere | Gullit Asante | Giana Erminio | Italy | |
| Okyere Boateng | Emmanuel | Moreirense | Portugal | |
| ONeil | Ephraim . | Cesena | Italy | |
| Opara | Andrew | Huda Hue | Viet Nam | |
| Opare | Daniel | RC Lens | France | |
| Opoku | Agyemen Prempeh | Al-Ahli | Qatar | |
| Opoku | Davies | ? | Finland | |
| Opoku | Moses | ? | Austria | |
| Opoku | Tuffour Kwasi | Brinkumer SV | Germany | |
| Opoku | Jordan | Dinamo Tirana | Albania | |
| Oppong | Victor | Waldhof Mannheim | Germany | |
| Oppong | Abdul Samad | Entente Sportive de Setif | Algeria | |
| Osei | Richard | DAC Dunajska Streda | Slovakia | |
| Osei | Kevin | Waasland-Beveren | Belgium | |
| Osei | Ransford | FC Santa Claus | Finland | |
| Osei | Barnes | FC Pacos Ferreira | Portugal | |
| Osei | Evans | Pro Vercelli | Italy | |
| Osei | Quincy | Kajaani | Finland | |
| Osei | Emmanuel | New England Revolution | United States | |
| Osei | Frank | Jose Galvez | Peru | |
| Osei | King Gyan | Halmstad | Sweden | |
| Osei-Berkoe | Willian | VC Ichtegem | Belgium | |
| Osei-Kuffour | Jonathan | Brentford | United Kingdom | |
| Osei-Kwadwo | Manfred | Kaiserslautern | Ghana | |
| Osei-Tutu | Albert | Inglewood United | Australia | |
| Osman | Abdul-Haq Seidu | Partick Thistle (Scotland) | United Kingdom | |
| Oteng-Mensah | Tobias | TSG Wörsdorf | Germany | |
| Otoo | Mahatma | Umraniyespor. | Turkey | |
| Oviasu | Osei Kwaku | Ranheim | Norway | |
| Owu | George | - | Ghana | |
| Owusu | Mike | Hertha BSC II | Germany | |
| Owusu | Charles | ESK | Austria | |
| Owusu | Daniel | ? | Finland | |
| Owusu | Benson | FC Kriens | Switzerland | |
| Owusu | George | Hellenics F.C | South Africa | |
| Owusu | Seth | Chivas | United States | |
| Owusu | Mike | Bunkeflo FF | Sweden | |
| Owusu | Lloyd | Slough Town | United Kingdom | |
| Owusu | Silas | VFL Theesen | Germany | |
| Owusu-Abeyie | Quincy | NEC | Netherlands | |
| Owusu-Acheampong | William | Antwerp | Belgium | |
| Owusu-Ansah | Stephen | Rayo Vallecano II | Ghana | |
| Owusu-Ansah | James | Firpo | El Salvador | |
| Owusu-Ansah | Derrick | ? | Italy |