| Copy Cats | ITV | — | 3 | 20 |
| Copycats | CBBC | game show | 4 | 156 |
| Corners | — | children's television series | — | — |
| Cornwall with Caroline Quentin | ITV | documentary television program | 2 | 18 |
| Coronation Street | ITV | soap opera | 67 | 12,040 |
| Cosmetic Surgery Live | Channel 5 | — | 2 | 26 |
| Counsels | — | legal drama | — | 8 |
| Count Abdulla | — | — | — | — |
| Countdown | Channel 4 | game show | 83 | 7,433 |
| Counterstrike | British Broadcasting Corporation | science fiction television series | 1 | 10 |
| Country House Sunday | ITV | — | 1 | 21 |
| Countryfile | BBC One | television news magazine | — | — |
| Countrywise | — | — | — | — |
| Coupling | BBC Two | sitcom | 4 | 28 |
| Court Martial | American Broadcasting Company | drama television series | 1 | 26 |
| Cousin Bette | — | — | — | — |
| Cousin Phillis | — | — | — | — |
| Cousins | BBC One | nature documentary | — | 3 |
| Cowboys | ITV | sitcom | 2 | 13 |
| Crackanory | U&Dave | — | 4 | 18 |
| Cracker | ITV | drama television series | 3 | 25 |
| Crackerjack! | BBC One | — | 29 | 451 |
| Cradle to Grave | BBC Two | sitcom | 1 | 8 |
| Cranford | BBC One | comedy drama | 2 | 7 |
| Crapston Villas | Channel 4 | comedy film | 2 | 20 |
| Crash Test Danny | Discovery Kids | — | — | 13 |
| Crashing | Channel 4 | LGBT-related television series | 1 | 6 |
| Crazy Cottage | ITV | — | 3 | 33 |
| Crazy Delicious | Channel 4 | — | 1 | 6 |
| Crazyhead | E4 | comedy horror | 1 | 6 |
| Creeped Out | Family Channel, CBBC | children's television series, horror television series | 3 | 23 |
| Cribb | ITV | detective fiction | 2 | 14 |
| Cricket AM | — | — | — | — |
| Cricket on Five | — | — | — | — |
| Crime | — | crime television series, drama television series, mystery television series, thriller television series | — | — |
| Crime Buster | — | crime film | — | — |
| Crime Inc. | ITV | documentary television program | — | 7 |
| Crime Invasion: Britain's New Underworld | — | — | 1 | 10 |
| Crime Limited | — | — | — | — |
| Crime of Passion | — | — | 4 | 32 |
| Crime on Our Hands | — | — | — | — |
| Crime Stories | — | — | 1 | 20 |
| Crime Story | — | — | — | 15 |
| Crime Team | Channel 4 | — | — | 9 |
| Crimewatch | BBC One | — | 33 | 322 |
| Crimewatch File | — | — | — | — |
| Crimewatch Roadshow | — | — | — | — |
| Crimewatch Solved | — | — | — | — |
| Criminal Justice | BBC One, British Broadcasting Corporation | drama television series | 2 | 10 |
| Criminal Record | Apple TV | thriller television series, crime television series | 1 | 8 |
| Criminal: UK | Netflix | anthology series, police procedural | 2 | 7 |
| Crims | BBC Three | sitcom | 1 | 6 |
| Criptales | — | — | — | — |
| Crisis at the Castle | — | documentary film | — | — |
| Crisis Command | — | docudrama | — | — |
| Criss Cross Quiz | ITV | game show | — | — |
| Critical | Sky One | drama television series | 1 | 13 |
| Crocodile Shoes | BBC One | — | 1 | 7 |
| Crocodile Shoes II | BBC One | — | 1 | 6 |
| Crongton | BBC iPlayer | teen drama television, comedy drama | 1 | 10 |