| Name | Steam ID | Records | WRs |
|---|---|---|---|
| oliverparikian | 76561198364950654 | 1 | 0 |
| Oliversarmy™ | 76561198032659047 | 6 | 0 |
| olivertrendshop1 | 76561198820462361 | 1 | 0 |
| olkoth | 76561198115702986 | 5 | 0 |
| ollet | 76561198037368464 | 1 | 0 |
| Olli | 76561198067776764 | 7 | 0 |
| OlliDolly | 76561198072146631 | 1 | 0 |
| Olliok | 76561198409091522 | 1 | 0 |
| oll!r | 76561197981044159 | 11 | 0 |
| olly_2001 | 76561198177707094 | 1 | 0 |
| olly chop | 76561198064794405 | 2 | 0 |
| Olof! | 76561198302510910 | 1 | 0 |
| Ololobster | 76561197993805974 | 1 | 0 |
| ololosha | 76561198359032192 | 4 | 0 |
| Olowan | 76561198010818882 | 1 | 0 |
| olurogullariburak | 76561198193307797 | 1 | 0 |
| ołwerlin | 76561198074745885 | 1 | 0 |
| OLYALYA | 76561198562331659 | 1 | 0 |
| olyalyabl9I | 76561198197305935 | 2 | 0 |
| Om3gaX | 76561198016165910 | 1 | 0 |
| om3n | 76561198256352933 | 38 | 0 |
| Om4rSherifff | 76561198117886102 | 1 | 0 |
| Omae wa mou shindeiru | 76561198018071840 | 4 | 0 |
| OMAE WA MOU SHINDEIRU | 76561198045251009 | 1 | 0 |
| ömÅn | 76561198069153954 | 11 | 0 |
| omani | 76561198303840431 | 1 | 0 |
| ombra | 76561198054859155 | 1 | 0 |
| Omc44 | 76561198122396094 | 40 | 0 |
| OMD | 76561198043668222 | 6 | 0 |
| omega | 76561198155087849 | 29 | 0 |
| omega | 76561199061373121 | 3 | 0 |
| Omega | 76561197974832533 | 1 | 0 |
| ‡Omega™‡ | 76561198001188537 | 3 | 0 |
| Omega Weapon | 76561198017273955 | 11 | 0 |
| Omek | 76561197970116678 | 1 | 0 |
| Omg22333 | 76561199275563792 | 1 | 0 |
| oMg- 2spii | 76561197995616707 | 1 | 0 |
| omg a furry | 76561198029987049 | 1 | 0 |
| OMGD | 76561198258486793 | 1 | 0 |
| OmgImSoBoredImGonnaExplode | 76561198146831863 | 1 | 0 |
| OmgRocket^ | 76561198040381150 | 6 | 0 |
| [OMG]shantiShanti | 76561198121816700 | 1 | 0 |
| oMgSnarf | 76561198025683987 | 1 | 0 |
| oMgWtf | 76561198257504216 | 1 | 0 |
| Ominous Trickster | 76561198108724183 | 2 | 0 |
| omnamashivaya | 76561198277622238 | 1 | 0 |
| OmniLlama | 76561197992771487 | 5 | 0 |
| omni_warrior | 76561198051293747 | 2 | 0 |
| omnuzz | 76561198169402216 | 1 | 0 |
| Omolet Du Fromage | 76561198026406210 | 1 | 0 |