| Cos | 76561198079550023 | 15 | 0 |
| CosmicDancer | 76561199755641284 | 1 | 0 |
| CosmoMercenary | 76561198085815866 | 1 | 0 |
| cosmonaut | 76561198097738784 | 1 | 0 |
| Coss | 76561198812548668 | 55 | 0 |
| cotton | 76561198380057228 | 2 | 0 |
| CottonIsBad | 76561198051914219 | 24 | 0 |
| cougne | 76561198113970099 | 12 | 0 |
| Couillaman | 76561198157770951 | 320 | 0 |
| Count Coo Coo | 76561198092622559 | 1 | 0 |
| Count_Dmitriy | 76561198244048498 | 5 | 0 |
| Counter-Battle: Global Royale | 76561198168029088 | 2 | 0 |
| Coup$aiboT | 76561198357064609 | 9 | 0 |
| Courage | 76561198019140582 | 3 | 0 |
| Courouxeur | 76561198101611818 | 2 | 0 |
| courtney | 76561198003513323 | 1256 | 1 |
| coutts | 76561197992610933 | 3 | 0 |
| coveart | 76561197973272616 | 1 | 0 |
| Covel | 76561197970385258 | 1 | 0 |
| COVENAN | 76561198125556845 | 1 | 0 |
| Covfefe | 76561198044681270 | 1 | 0 |
| Covid22 | 76561197998574385 | 5 | 0 |
| covid team | 76561198310253845 | 12 | 0 |
| Cowboy | 76561198052745260 | 2 | 0 |
| cowboygeorgy | 76561198085033010 | 1 | 0 |
| Cowboy Joe | 76561198118730825 | 2135 | 0 |
| cowboy_marlboro:D | 76561198119354214 | 2 | 0 |
| Cow ProMoo Arena | 76561197982091486 | 21 | 0 |
| cows | 76561198915416195 | 41 | 0 |
| Cow Tit Anime Girl Fetishist | 76561198155284227 | 3 | 0 |
| cox | 76561198114620377 | 1 | 0 |
| Coy~ | 76561199192121455 | 1 | 0 |
| CoyoteCruncher | 76561198012683674 | 9 | 0 |
| Coyster | 76561198044873438 | 14 | 0 |
| CoYu | 76561198122416939 | 4 | 0 |
| cozycow | 76561198152492059 | 4 | 0 |
| cpa b0w53r | 76561198185557528 | 1 | 0 |
| [CP]Fauno | 76561198003312466 | 1 | 0 |
| ^∏cPh1∫t0 | 76561198326238777 | 2 | 0 |
| cphilox | 76561198101047068 | 1 | 0 |
| CPL PLAYER | 76561197980998901 | 1 | 0 |
| CPTcman | 76561198078653584 | 3 | 0 |
| Cpt. Coach | 76561197983169953 | 1 | 0 |
| CPT_Diabete | 76561198053496580 | 1 | 0 |
| Cpt.Dishwasher | 76561198064546357 | 1 | 0 |
| Cpt. Filicon the Scurvy Ass | 76561198166373687 | 1 | 0 |
| Cptn | 76561198035844072 | 4 | 0 |
| Cpt. Penguin/Shatzy | 76561198039514814 | 1 | 0 |
| Cpt. Slow | 76561198032503132 | 1 | 0 |
| Cpt Teemo | 76561198151580810 | 1 | 0 |