Players
| Name | Country | Actions |
|---|---|---|
| Olivier Imbrechts | Belgium | View |
| Oliwier Kaszyca | Poland | View |
| Olle Donath | United States | View |
| Olli Saarinen | Finland | View |
| Om Haas | Indonesia | View |
| Omar Bouras | United States | View |
| Omar Candelaria | United States | View |
| Omar Martinez Jr | United States | View |
| Omar Reyhan | United States | View |
| Omar Soubra | United States | View |
| Omeid Vadipour | United States | View |
| Ondřej Buřval | Czech Republic | View |
| Ondřej Buřval | Czechia | View |
| Onica Lucian | Romania | View |
| Oniel De Leon | Philippines | View |
| Oren Yishai | United States | View |
| Oriana Di Domenico | Italy | View |
| Orlando Ampo | Philippines | View |
| Orlando Valdes Santos | United States | View |
| Osama MacDonald | United Kingdom | View |