| Name | Wanted | For Trade | Not For Trade | For Sale | Last Updated |
| Ourchestra | 0 | 0 | 2 | 0 | 2012-11-27 05:39 |
| oui_abracadaver | 0 | 0 | 78 | 0 | 2006-03-02 22:53 |
| oui | 2 | 0 | 125 | 0 | 2003-11-09 07:54 |
| OudeEssinkNijhuis | 0 | 0 | 601 | 0 | 2025-08-02 14:48 |
| otwixto | 0 | 0 | 2 | 0 | 2005-02-02 07:30 |
| ottojosefsson | 0 | 0 | 1 | 0 | 2011-07-23 22:11 |
| otter272 | 2 | 1 | 23 | 0 | 2005-04-19 20:40 |
| Otromundo | 0 | 0 | 115 | 0 | 2002-10-03 10:21 |
| OTnikki | 8 | 232 | 0 | 0 | 2004-07-17 22:49 |
| otisfrimpa | 2 | 0 | 40 | 0 | 2008-12-09 04:22 |
| osxpinot | 1 | 0 | 0 | 0 | 2005-02-01 04:14 |
| Ostrogoth | 0 | 0 | 9 | 0 | 2007-12-07 06:00 |
| ostrakos | 0 | 0 | 7 | 0 | 2005-02-01 05:27 |
| ostinato | 4 | 9 | 362 | 0 | 2005-04-05 22:53 |
| ostensibly | 2 | 0 | 77 | 0 | 2004-05-27 22:01 |
| ossiren | 2 | 0 | 0 | 0 | 2006-01-13 05:14 |
| ossie | 0 | 0 | 61 | 0 | 2004-05-01 22:40 |
| osprey | 3 | 2 | 154 | 0 | 2008-08-09 08:44 |
| oso_te_great | 0 | 28 | 0 | 0 | 2005-10-20 02:33 |
| Osloboditelj | 0 | 0 | 145 | 0 | 2007-02-11 22:04 |
| Oslo | 0 | 0 | 39 | 0 | 2007-02-16 04:48 |
| osker33 | 0 | 0 | 550 | 0 | 2009-09-23 20:19 |
| osirisdean | 0 | 1313 | 14 | 0 | 2017-03-19 20:52 |
| OsidiustheEmphatic | 0 | 0 | 42 | 0 | 2010-11-29 08:58 |
| osi | 8 | 91 | 0 | 0 | 2004-11-24 01:13 |
| oshkosh0583 | 5 | 213 | 0 | 0 | 2007-09-01 23:12 |
| osey | 0 | 0 | 22 | 0 | 2004-06-08 21:06 |
| oseprocse | 0 | 0 | 14 | 0 | 2007-09-05 20:53 |
| oscillatethatshit | 0 | 69 | 0 | 0 | 2006-12-17 00:21 |
| OscarRules | 0 | 0 | 96 | 0 | 2009-06-09 22:12 |
| oscarmackenzie | 0 | 0 | 40 | 0 | 2011-01-18 04:02 |
| Oscarg93 | 0 | 0 | 33 | 0 | 2010-04-02 08:31 |
| Osborn | 3 | 1 | 491 | 0 | 2008-12-21 04:12 |
| osasonica | 0 | 0 | 33 | 0 | 2001-09-13 13:25 |
| osakacrying | 52 | 0 | 41 | 0 | 2009-08-24 10:49 |
| orthocycline | 0 | 0 | 106 | 0 | 2008-11-24 00:38 |
| orphy | 0 | 1 | 1637 | 0 | 2020-11-05 20:31 |
| orphne | 0 | 0 | 1 | 0 | 2005-02-12 02:50 |
| orpheus78 | 0 | 0 | 9 | 0 | 2005-01-17 10:33 |
| orpheus | 0 | 0 | 60 | 0 | 2004-06-07 10:47 |
| Orock | 0 | 11 | 160 | 0 | 2003-09-13 09:47 |
| ormi | 0 | 0 | 2244 | 0 | 2006-12-17 22:16 |
| Orklord | 0 | 0 | 300 | 0 | 2006-08-23 20:22 |
| OrionJeriko | 0 | 0 | 7 | 0 | 2005-09-08 21:00 |
| orioncrystalice | 32 | 0 | 463 | 0 | 2010-02-06 05:55 |
| orion1872 | 0 | 2 | 9 | 0 | 2005-02-05 03:27 |
| orion | 10 | 845 | 8 | 0 | 2004-11-30 11:51 |
| OriginalSPiV | 0 | 0 | 39 | 0 | 2005-04-14 03:44 |
| originalog | 0 | 7 | 99 | 27 | 2009-05-24 23:43 |
| original_spy | 0 | 0 | 77 | 0 | 2005-12-15 17:17 |