| Decline and Fall | — | — | — | 3 |
| Deep State | Fox | thriller television series, crime television series | 2 | 16 |
| DEF II | — | — | — | — |
| Defending the Guilty | — | — | — | — |
| Defying Gravity | CTV Television Network, American Broadcasting Company | science fiction television series, drama television series | 1 | 13 |
| Delicious | — | — | 1 | 4 |
| Delta Wave | — | science fiction television series, drama television series, children's television series | 1 | 10 |
| Demob | ITV | comedy drama | 1 | 6 |
| Demolition | — | — | — | — |
| Demons | ITV | fantasy television program, drama television series | 1 | 6 |
| Dempsey and Makepeace | ITV | drama television series | 3 | 30 |
| Department Q | Netflix | crime television series, drama television series, thriller television series | 1 | 9 |
| Department S | ITV | science fiction television series, crime television series, adventure television series | 2 | 28 |
| Depp v. Heard | Channel 4 | — | 1 | 3 |
| Derek | Channel 4 | comedy drama | 2 | 14 |
| Derek Acorah's Ghost Towns | — | — | 3 | 24 |
| Derry Girls | Channel 4 | sitcom | 3 | 19 |
| Des O'Connor Tonight | BBC Two | — | 17 | 182 |
| Desi Rascals | Sky One | reality television | 2 | 20 |
| Desmond's | Channel 4 | sitcom | 6 | 71 |
| Despatch Box | BBC Two | — | — | — |
| Desperate Romantics | BBC Two | drama | 1 | 6 |
| Desperate Scousewives | E4 | — | 1 | 8 |
| Desperately Seeking Something | Channel 4 | — | 3 | 14 |
| Destination X | BBC One | game show, reality television | — | — |
| Detective | — | — | — | 45 |
| Detectorists | BBC Four | sitcom | 3 | 20 |
| Devil's Advocate: The Mostly True Story of Giovanni Di Stefano | — | documentary television program | — | — |
| Devils | Sky Atlantic | financial thriller | 2 | 18 |
| DI Ray | ITV | — | 2 | 10 |
| Dial 999 | — | — | — | — |
| Dial M | — | — | — | — |
| Diamonds | — | — | — | 13 |
| Diana | — | — | 1 | 10 |
| Dick and Dom in da Bungalow | CBBC | — | 5 | — |
| Dick and Dom's Funny Business | CBBC | — | 1 | 14 |
| Dick and Dom's Hoopla | — | — | — | — |
| Dick and the Duchess | CBS | sitcom | 1 | 26 |
| Dick Barton | — | drama television series | — | — |
| Dick Spanner, P.I. | Channel 4 | police television drama, science fiction television series, comedy drama | 1 | 22 |
| Dick Turpin | ITV | adventure television series, action television series, historical drama | 4 | 31 |
| Dickens in America | — | documentary film | 1 | 10 |
| Dickensian | BBC One, British Broadcasting Corporation | drama television series | 1 | 20 |
| Dickinson's Real Deal | ITV1 | — | — | — |
| Did You See...? | — | — | — | — |
| Diddy Dick and Dom | — | — | 2 | 25 |
| Diddy Movies | — | — | — | — |
| Diddy TV | BBC Children's and Education | — | 2 | 19 |
| Didn't They Do Well | BBC One | — | 1 | 10 |
| Digging for Britain | BBC Two | documentary film | 10 | 63 |
| Dinas | — | — | — | — |
| Dinner date | — | cooking show | 6 | — |
| Dinnerladies | BBC One | sitcom | 2 | 16 |
| Dinopaws | CBeebies | — | 1 | 51 |
| Dinosapien | BBC Children's and Education | science fiction television series, fantasy television series, children's television series | 1 | 15 |
| Dinosaur Britain | ITV1 | — | 1 | 2 |
| Dipdap | CBeebies | — | 1 | 52 |
| Directors Commentary | — | — | — | — |
| Dirk Gently | BBC Four | detective television series, science fiction television series, comedy television series | 1 | 4 |
| Dirk Gently's Holistic Detective Agency | BBC America | time-travel television program, detective television series, comedy television series, science fiction television series | 2 | 18 |