| Username | Team | |
|---|---|---|
| OnlyFruit | FalconZ! [rl] | View Profile |
| OnlyReXee | Triumvirate [br] | View Profile |
| OnlySabi | WeabNation [br] | View Profile |
| onno_ole | The Royal [rl] | View Profile |
| Onomono | Arko [rl] | View Profile |
| OnSLAUGhT | We Don't Suck THAT Much [rl] | View Profile |
| Ontoh | Firee [rl], Syn [rl], SB eSports [rl] | View Profile |
| Onyx | No Team | View Profile |
| ONYXBlade | Pug Deluxe [rl] | View Profile |
| Onza | Astonish eSports [rl] | View Profile |
| OOF | Tact14 | OOF Esports [rl] | View Profile |
| OOF | Yerk | OOF Esports [rl] | View Profile |
| Ookrayeena | Divinity [rl] | View Profile |
| OOManatee | Phonewave (Real Name TBA) [br], >:( [br], Rice and Miso [br], MrChudat [br], the lads [br], Go! Go! Let's go Dateko [br] | View Profile |
| OopsMy_Bad100 | Mariachi Bros. [rl], Car sick [rl] | View Profile |
