| User | Location | Total Beers | Unique Beers | Breweries |
|---|---|---|---|---|
| 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 |
| Owlwood | Grythyttan, Sweden | 189 | 126 | 73 |
| oxidius (oxidius) | montreal | 0 | 0 | 0 |
| oxind (oxind) | Москва | 0 | 0 | 0 |
| Ozaimeflite (Ozaimeflite) | РФ - Сочи | 0 | 0 | 0 |
| OzKab (OzKab) | Украина | 0 | 0 | 0 |
| Ozzylizard | 6 | 2 | 1 | |
| Ozzy (OzzyF) | Brazil | 0 | 0 | 0 |
| P8ntMagazine | United States | 10 | 6 | 4 |
| Pablito (pablot) | Berkeley, CA | 22 | 15 | 6 |
| PaddysHouseAles (PaddysHouseAles) | New Jersey | 1 | 1 | 1 |