| Name | Steam ID | Records | WRs |
|---|---|---|---|
| 'NλDERADE | 76561197967545410 | 4 | 0 |
| ɴɪᴜ | 76561198073251060 | 1451 | 3 |
| Ɲerds sOLLEX | 76561198077695415 | 4 | 0 |
| ^O))) | 76561197975338104 | 2 | 0 |
| o_0 | 76561198212481381 | 1 | 0 |
| o0Elise | 76561197962618889 | 1 | 0 |
| o0JAMAL0o | 76561198205708377 | 2 | 0 |
| #O1iverᴴᴰ | 76561198064137243 | 1 | 0 |
| O2 | 76561197971210490 | 1 | 0 |
| O2 | 76561198079440396 | 5 | 0 |
| O7GHOST | 76561198039089854 | 2 | 0 |
| oaf | 76561198262880084 | 3 | 0 |
| OAKu | 76561197968428433 | 22 | 0 |
| Oaschloch | 76561198083074400 | 8 | 0 |
| Oaschloch | 76561199509156853 | 1 | 0 |
| oat | 76561198257520552 | 4 | 0 |
| [OATS]COCO | 76561198063110641 | 22 | 0 |
| 𝔬 Auctarios | 76561198139666709 | 2 | 0 |
| ob | 76561198285351395 | 1 | 0 |
| OB1WAN | 76561198272622945 | 1 | 0 |
| obachan | 76561198028274831 | 3 | 0 |
| obama | 76561198297137952 | 16 | 0 |
| OBAMA | 76561198104690288 | 1 | 0 |
| Obama Jomama | 76561198062098724 | 1183 | 3 |
| obelardos | 76561198033220421 | 1 | 0 |
| Obeliant | 76561198089449631 | 2 | 0 |
| Oberasu_Yamaki | 76561198379838224 | 1 | 0 |
| Obey Silent | 76561198978309813 | 11 | 0 |
| Obi | 76561198055965989 | 3 | 0 |
| Obi | 76561198350988320 | 4 | 0 |
| Obito | 76561198041825546 | 1 | 0 |
| Obivan Banan-_- | 76561198070173562 | 1 | 0 |
| Obliohs | 76561198200328590 | 1 | 0 |
| obliv | 76561198041141792 | 1 | 0 |
| Oblivion | 76561198184806593 | 1 | 0 |
| oblomoff | 76561197981949354 | 12 | 0 |
| ObnoxiousTraveler | 76561199184607968 | 4 | 0 |
| ObruS | 76561198119707400 | 9 | 0 |
| Obscura | 76561198056263722 | 19 | 0 |
| Obscure Username | 76561198075500861 | 82 | 0 |
| obseen1 | 76561198302289426 | 1 | 0 |
| OBSESSED WITH WEED | 76561198066120235 | 1 | 0 |
| Obsession | 76561198032830841 | 28 | 0 |
| Obsideo | 76561198194793797 | 15 | 0 |
| ObsidianSlam | 76561197990037782 | 4 | 0 |
| OBS NASDAQ | 76561198177740898 | 30 | 0 |
| Obunga Ubles | 76561198117028249 | 1 | 0 |
| Oby | 76561198149495594 | 18 | 0 |
| OBЛOB | 76561198012289984 | 18 | 0 |
| oCA MASTER #TF2Center @Bolo | 76561198127508395 | 1 | 0 |