| Name | Steam ID | Records | WRs |
|---|---|---|---|
| Ʈʀ̴υɛɌ͢ɪ͢оƮ™ | 76561197985239577 | 1033 | 0 |
| ʇuƐɔsᴉuᴉɯǝɹ | 76561198155956790 | 24 | 0 |
| U | 76561199152688407 | 1 | 0 |
| Ü̴̧̜͔̰̦̪͉̤͍̋̔͛̓ | 76561198257409925 | 2287 | 1 |
| u3a6 | 76561197987227930 | 1 | 0 |
| u4lunatic | 76561198275290962 | 6 | 0 |
| U915 | 76561198078408247 | 1 | 0 |
| uaedude | 76561197961335054 | 12 | 0 |
| uaedude | 76561197961358889 | 11 | 0 |
| UA_ReMMeR | 76561198027950579 | 1 | 0 |
| U ARE NOTHING! | 76561198129968687 | 8 | 0 |
| ubagas | 76561198013331779 | 2 | 0 |
| ubåt | 76561198839549795 | 896 | 0 |
| Uber_Badass #TF2SP | 76561197981991799 | 3 | 0 |
| Ubercactus | 76561197995561233 | 3 | 0 |
| uberschall3330 | 76561198961023846 | 1 | 0 |
| ubey | 76561198201490029 | 1 | 0 |
| Ubik | 76561197962869180 | 1 | 0 |
| Ubiquity | 76561198084992567 | 3 | 0 |
| UcanManda | 76561197996319426 | 3 | 0 |
| ucfnet005 | 76561198032607562 | 1 | 0 |
| Uctac | 76561198121230967 | 1 | 0 |
| Uczulony` | 76561197981072745 | 3 | 0 |
| ☆Udo☆ | 76561198272209721 | 1 | 0 |
| udo_sieben | 76561198257877306 | 1 | 0 |
| UFA | 76561198184250154 | 1 | 0 |
| Ufas_treneris | 76561197993257199 | 2 | 0 |
| Ufez Faa | 76561197973555308 | 1 | 0 |
| ufo | 76561198025357940 | 905 | 0 |
| UFO361 | 76561198089320273 | 1 | 0 |
| ufoboss | 76561198257422662 | 1 | 0 |
| UFOVoodoO | 76561197961314683 | 1 | 0 |
| UglyGames | 76561198129183282 | 2 | 0 |
| Uglymofo | 76561198370812539 | 11 | 0 |
| Ugokiwana | 76561198313694397 | 11 | 0 |
| UGotSlade | 76561198076528547 | 2 | 0 |
| [UGO]Zooraw | 76561198206194332 | 1 | 0 |
| U HEZ DIRTY POOPER | 76561198109644371 | 2 | 0 |
| Uhhyaa | 76561197992788427 | 4 | 0 |
| Uhorečka | 76561198070745933 | 1 | 0 |
| uhurtv | 76561199163336834 | 1 | 0 |
| uhuru | 76561198113589016 | 3651 | 0 |
| ui^^ | 76561198867711015 | 7 | 0 |
| uiuiui | 76561198079304337 | 2 | 0 |
| Ujass Eyjafjallajoekull | 76561197969212524 | 1 | 0 |
| [UK]$h | 76561198006676310 | 7 | 0 |
| [UK]atkosas | 76561198257369569 | 2 | 0 |
| [UK] dr4g0nizd | 76561198195105450 | 239 | 0 |
| [UK]ggjkhg | 76561198371241517 | 8 | 0 |
| UkI | 76561199096776303 | 1 | 0 |