| OscarVelty (OscarVelty) | Malta | 0 | 0 | 0 |
| osdelapro (osdelapro) | Россия | 0 | 0 | 0 |
| Oskarsson (Clintbeerwood) | Avesta, Sweden | 8 | 6 | 6 |
| Ostroushko965 (Ostroushko965) | Russia | 0 | 0 | 0 |
| otertonbibi (otertonbibi) | kleiner brühl 5 eisenberg Germany 07607 | 0 | 0 | 0 |
| OtisCellar (alienpepsiman) | Lexington, Kentucky | 0 | 0 | 0 |
| Otis (granados14) | | 0 | 0 | 0 |
| OtkosyEt (OtkosyEt) | Russia | 0 | 0 | 0 |
| otravilapro (otravilapro) | Россия | 0 | 0 | 0 |
| oulpomerk (oulpomerk) | 2201 Ridges Road Baileys Harbor Wisconsin USA 54202 | 0 | 0 | 0 |
| OutlandishBrew (topalianc) | Los Angeles, CA | 391 | 183 | 53 |
| Ovdokimov834 (Ovdokimov834) | Russia | 0 | 0 | 0 |
| Owen (MrPants76) | United Kingdom | 191 | 43 | 16 |
| Owen (Owen) | Philadelphia, PA | 45 | 41 | 31 |
| Owen (owenbrau) | Columbus, OH | 87 | 48 | 21 |