| Bnet name | Bnet code | Race | 1v1 | 2v2 | 3v3 | 4v4 | Region | Reddit name | GMT |
|---|---|---|---|---|---|---|---|---|---|
| OnionChild | US | onionchowder | |||||||
| Onlight | US | onlight | 0 | ||||||
| OoStark | 349 | US | M0ndragon | ||||||
| Oomph | 441 | US | 0omph | ||||||
| Opelious | 984 | US | Opelious | -4 | |||||
| Ophidian | US | oOOoOphidian | |||||||
| Opie | 885 | US | akraut | 0 | |||||
| Optimist | 330 | SEA | PlentyGreat | 8 | |||||
| OptimusRhyme | 112 | US | optimusrhymez | ||||||
| OralB | 717 | KR | testbug0 | ||||||
| Oran | 388 | US | BattleStream | -8 | |||||
| OrangEjuicE | 697 | US | stevedore | -5 | |||||
| OrangePeel | 195 | US | Orange_Peel | 0 | |||||
| Orcanex | 571 | US | Orcanex | ||||||
| Oreo | 700 | US | iKnife | 0 | |||||
| Organic | US | HelicopterCrash | 0 | ||||||
| OrkTastic | 796 | US | orktastic | -5 | |||||
| Orlando | EU | OrlandoNE | |||||||
| Orochi | 625 | US | avielus | -5 | |||||
| Orphen | 463 | US | HolyBananas | -5 | |||||
| Orpheus | 124 | US | OrpheusV | -6 | |||||
| Orthodox | 863 | US | thatpersoninhere | 0 | |||||
| Oshyte | 325 | US | rpm317 | -6 | |||||
| Osiris | 767 | US | Osiris47 | 0 | |||||
| Osiux | 165 | LA | osiux | -5 | |||||
| Oso | 448 | US | Miiike | ||||||
| OsoRojo | 590 | US | Osorojo | ||||||
| Otacon | EU | CaptainSimian | |||||||
| Otterphantom | US | otterphantom | |||||||
| OutFar | US | outfar | -3 | ||||||
| Bnet name | Bnet code | Race | 1v1 | 2v2 | 3v3 | 4v4 | Region | Reddit name | GMT |