| Odnousov892 (Odnousov892) | Russia | 0 | 0 | 0 |
| OgiSal (OgiSal) | Trinidad and Tobago | 0 | 0 | 0 |
| Ohad (Mogad) | Israel | 0 | 0 | 0 |
| Ohhsnap (ohhsnapson) | St. Pete, FL | 0 | 0 | 0 |
| ohtyrus (ohtyrus) | San Diego, CA | 43 | 31 | 20 |
| Oilcan (Oilcan) | Utrecht, The Netherlands, Europe | 27 | 20 | 7 |
| oimbrorich (oimbrorich) | 9270s. Navano St Colton California United States 92324 | 0 | 0 | 0 |
| oioioi | Tallinn | 0 | 0 | 0 |
| ojgio (ojgio) | Metro Detroit | 1 | 1 | 1 |
| okactuary (okactuary) | Tulsa | 0 | 0 | 0 |
| OkayBrendan (OkayBrendan) | CONNECTICUT | 150 | 93 | 39 |
| OkExplosives (OkExplosives) | Upstate NY | 163 | 83 | 43 |
| Oksanacic (Oksanacic) | Cook Islands | 0 | 0 | 0 |
| OlafLemme | | 0 | 0 | 0 |
| OldPal (0366timmosams) | Elizabethton | 0 | 0 | 0 |