| Doctors to Be | BBC Two | documentary film | — | — |
| Doctors to Be: 20 Years On | BBC Four | documentary film | — | — |
| Doctors' Daughters | — | — | — | — |
| Dodger | — | — | — | — |
| Dodger, Bonzo and the Rest | CITV | — | — | 13 |
| Dog and Duck | CITV | children's television series | 3 | 195 |
| Dog Borstal | — | — | — | — |
| Dog Eat Dog | BBC One | game show | 4 | 30 |
| Dogface | E4 | — | — | — |
| Dogs Behaving (Very) Badly | — | — | 6 | 73 |
| Dolly | ITV Yorkshire | — | — | 3 |
| Dolphins - Spy in the Pod | — | — | 1 | 2 |
| Dom on the Spot | BBC One | — | 1 | 15 |
| Domina | Sky Atlantic | historical drama | 2 | 16 |
| Domino Day | — | — | — | — |
| Don't Ask Me | — | — | — | — |
| Don't Ask Me Ask Britain | — | game show, panel game | 1 | 6 |
| Don't Blow the Inheritance | — | game show | 1 | 10 |
| Don't Drink the Water | — | sitcom | 2 | 13 |
| Don't Eat the Neighbours | ITV | — | — | — |
| Don't Forget the Driver | BBC Two | comedy drama | — | 6 |
| Don't Forget the Lyrics! | Sky One | game show | 2 | — |
| Don't Forget to Write! | BBC Two | — | 2 | 12 |
| Don't Forget Your Toothbrush | Channel 4 | game show | 2 | 21 |
| Don't Get Done, Get Dom | BBC One | reality television | 9 | 150 |
| Don't Hug Me I'm Scared | — | — | 1 | 6 |
| Don't Look Down | — | documentary film | 1 | 6 |
| Don't Look Now | — | — | — | — |
| Don't Quote Me | — | — | — | — |
| Don't Scare the Hare | BBC One | — | 1 | 9 |
| Don't Stop Believing | Channel 5 | reality television | 1 | 5 |
| Don't Stop Me Now | — | — | 1 | 8 |
| Don't Tell Father | BBC One | sitcom | — | 6 |
| Don't Tell the Bride | BBC Three, BBC One | reality television | 12 | 104 |
| Don't Try This at Home | ITV | — | 4 | 46 |
| Don't Wait Up | BBC One | sitcom | 6 | 39 |
| Donal MacIntyre: Unsolved | CBS Reality | — | 1 | 10 |
| Dooby Duck's Disco Bus | British Broadcasting Corporation | — | — | — |
| Doodle Do | — | — | — | — |
| Doomwatch | BBC One | science fiction television series, drama television series | 3 | 38 |
| Dope | Netflix | documentary, crime television series | 3 | 12 |
| Dope Girls | BBC One | historical drama | — | — |
| Dorg Van Dango | RTÉ 2 | — | 1 | 26 |
| Double Your Money | — | game show | — | — |
| Doubt | MBC 4, MBC Shahid | — | — | — |
| Douglas Is Cancelled | ITV1 | — | — | 4 |
| Down Cemetery Road | — | — | 1 | 8 |
| Down on the Farm | British Broadcasting Corporation | — | — | — |
| Down on the Farm | CBeebies | — | — | — |
| Down the 'Gate | — | — | — | — |
| Down to Earth | BBC One | sitcom | 1 | 7 |
| Downton Abbey | ITV | historical drama, drama television series, historical television series | 6 | 52 |
| Downwardly Mobile | — | — | 1 | 7 |
| Dr Otter | — | — | — | — |
| Dr Willoughby | — | sitcom | 1 | 6 |
| Dr. Finlay's Casebook | BBC One | — | 8 | 191 |
| Dr. Terrible's House of Horrible | BBC Two | anthology series, comedy television series | 1 | 6 |
| Dr. Xargle | — | children's television series | — | — |
| Dracula | BBC One, Netflix | drama television series, horror television series, fantasy television series, vampire television program | 1 | 3 |
| Drag Queens of London | — | reality television, LGBT-related television series | 1 | 10 |