| Channel | Videos Watched | YouTube |
|---|---|---|
| Cody'sLab | 2 | |
| CodzSword | 1 | |
| Coeo | 2 | |
| Coffee Chess | 1 | |
| Coffee House Jazz Retro | 10 | |
| Coffee RelaxingJazz | 1 | |
| Coffee Table Jazz | 1 | |
| Cofiber | 2 | |
| CogniVis AI | 1 | |
| Cognizeus | 1 | |
| Coi Leray | 1 | |
| Coiled | 5 | |
| Coka | 1 | |
| Colapesce | 1 | |
| Colbie Caillat | 2 | |
| ColbieCaillatVEVO | 2 | |
| Cold War Kids | 1 | |
| Coldplay | 10 | |
| Coldplay | 1 | |
| Cole Swindell | 8 | |
| Cole Swindell | 1 | |
| Coleman Hell | 1 | |
| Colin Blount | 1 | |
| College Music | 1 | |
| Collie Buddz | 1 | |
| Collins Classics | 2 | |
| ColorCode | 1 | |
| Colter Wall - Topic | 1 | |
| Colyn | 1 | |
| Comedy Bites | 1 | |
| Commodity Culture | 1 | |
| Communions | 1 | |
| Community Health Network | 1 | |
| ComputerEverywhere | 1 | |
| Computerphile | 9 | |
| Conan O'Brien | 6 | |
| Concentration Study | 1 | |
| Concerto Grosso | 1 | |
| Concerto Köln | 6 | |
| Concerts Hub | 2 | |
| Confidence Man | 1 | |
| Conkarah | 1 | |
| Connan Mockasin | 1 | |
| Conner Ardman | 3 | |
| Conner Smith | 2 | |
| Connie Han | 1 | |
| Connie Riet | 1 | |
| Conor Harris | 1 | |
| Conor Neill | 1 | |
| Conscious College | 1 |