| Casualty | BBC One | medical drama, soap opera | 41 | 1,401 |
| Casualty 1900s | BBC One | — | — | 1 |
| Catastrophe | Channel 4 | comedy television series | 4 | 24 |
| Catastrophe | Channel 4 | documentary television program | 1 | 5 |
| Catch Me a Colobus | — | — | — | — |
| Catching a Killer | — | — | — | — |
| Catchword | BBC One | — | 8 | 457 |
| Catfish UK: The TV Show | — | — | — | — |
| Cathedral | — | documentary film | — | — |
| Catherine Tate's Nan | — | — | — | — |
| Catie's Amazing Machines | CBeebies | — | — | — |
| Catterick | BBC Three, BBC Two | sitcom | 1 | 6 |
| Catweazle | ITV | fantasy television program | 2 | 26 |
| Caught on a Train | — | television play | — | — |
| Caught on Camera | — | — | — | — |
| Caught on Dashcam | — | — | — | — |
| Cavegirl | BBC One | sitcom | 2 | 38 |
| CBTV | ITV | magazine format program | — | — |
| CD:UK | ITV | — | — | — |
| Celeb | BBC One | sitcom | 1 | 6 |
| Celeb Cooking School | — | — | — | — |
| CelebAbility | — | — | — | — |
| CelebAir | ITV2 | reality television | 1 | 8 |
| Celebrities Exposed | ITV2 | documentary television program | — | — |
| Celebrities Under Pressure | ITV | game show | 3 | 14 |
| Celebrity | — | — | 1 | — |
| Celebrity Bear Hunt | — | reality television | — | — |
| Celebrity Big Brother | — | reality television | 17 | — |
| Celebrity Coach Trip | Channel 4 | reality show | 4 | — |
| Celebrity Extra | — | — | — | — |
| Celebrity Fat Fighters | — | — | — | — |
| Celebrity Fifteen to One | Channel 4 | game show | — | — |
| Celebrity Fit Club | ITV | — | 4 | 14 |
| Celebrity Five Go To... | — | reality television | — | — |
| Celebrity Gogglebox | — | — | — | — |
| Celebrity Island with Bear Grylls | — | — | 3 | 16 |
| Celebrity Juice | ITV2 | panel game | 24 | 272 |
| Celebrity Karaoke Club | — | — | — | — |
| Celebrity Mastermind | BBC Two | — | — | 89 |
| Celebrity Poker Club | Challenge | — | 3 | — |
| Celebrity Race Across the World | — | — | — | — |
| Celebrity SAS: Who Dares Wins | Channel 4 | — | — | — |
| Celebrity Scissorhands | BBC Three | reality television | 3 | 13 |
| Celebrity Scoop | MBC 4, MBC Max, MBC 2, MBC Shahid, MBC Persia | entertainment journalism, television news program | — | — |
| Celebrity Soup | E! | — | 2 | 33 |
| Celebrity Squares | ITV1 | game show, comedy | 4 | 138 |
| Celebrity Super Spa | — | reality television | 1 | 6 |
| Celebrity Wedding Planner | — | reality television | 3 | 10 |
| Celebrity Wish List | — | — | — | — |
| Celebrity Wrestling | ITV | reality television | 1 | 8 |
| Celebs Go Dating | E4 | — | 7 | 119 |
| Celebs on the Farm | — | reality television | — | — |
| Central Weekend | ITV Central | — | — | — |
| Centrepoint | — | — | — | — |
| Century Falls | BBC One | science fiction television series | — | 6 |
| Chain Letters | ITV | game show | 7 | 336 |
| Chalk and Cheese | — | sitcom | 1 | 6 |
| Challenge Anneka | BBC One | reality television | 7 | 65 |
| Chambers | BBC One, British Broadcasting Corporation | sitcom | 2 | 12 |
| Champion | British Broadcasting Corporation | — | 1 | 8 |