| Accused | — | — | — | 8 |
| Accused: The Fake Grooming Scandal | Channel 4 | documentary television program | — | — |
| Ace Lightning | British Broadcasting Corporation | speculative fiction, live action/animated television series | 2 | 39 |
| Ace of Wands | ITV | fantasy television program | 3 | 46 |
| Ackley Bridge | Channel 4 | — | 4 | 36 |
| Across a Crowded Room | ITV Yorkshire | — | — | — |
| Action Team | — | — | — | — |
| Adam Adamant Lives! | British Broadcasting Corporation | science fiction television series, drama television series | — | 29 |
| Adam Smith | — | — | — | — |
| Adam's Family Tree | ITV | — | 3 | 20 |
| Ade at Sea | — | — | — | 6 |
| Adrian Mole: The Cappuccino Years | — | — | — | — |
| Ads Infinitum | BBC Two | — | — | 15 |
| Adult Material | Channel 4 | drama television series | 1 | 4 |
| Adventure Florida | — | children's television series | — | — |
| Adventure Inc. | Global Television Network | treasure hunt film, fantasy television series | 1 | 22 |
| Adventures on Orsum Island | — | children's television series | — | — |
| Affairs of the Heart | ITV | sitcom | — | 7 |
| Afghanistan: The Great Game – A Personal View by Rory Stewart | — | documentary film | 1 | 2 |
| Africa | BBC One, Discovery Channel | nature documentary | 1 | 6 |
| Africa | — | — | — | — |
| Africa's Hunters | — | — | — | — |
| Africa's Underwater Wonders | — | documentary film | — | 5 |
| African Patrol | — | drama television series | 1 | 39 |
| African Queens: Njinga | — | docudrama, biographical film | — | 4 |
| After Dark | Channel 4, British Broadcasting Corporation | — | — | 90 |
| After Henry | ITV | sitcom | 4 | 38 |
| After Hours | — | — | — | — |
| After Hours | — | — | — | — |
| After Life | Netflix | black comedy | 3 | 18 |
| After the Flood | ITVX, ITV | crime television series, mystery television series, thriller television series | 2 | 12 |
| After the News | ITV | — | 1 | 19 |
| After You've Gone | BBC One, BBC HD | sitcom | 3 | 25 |
| Afternoon Live | BBC News | — | — | — |
| Afternoon Live | Sky News | — | — | — |
| Afternoon of a Nymph | — | — | — | — |
| Agatha Christie's Marple | ITV1, ITV, PBS | drama television series, crime television series, historical television series | 6 | 23 |
| Agatha Christie's Partners in Crime | London Weekend Television | drama television series | 1 | 10 |
| Agatha Christie's Poirot | ITV1 | detective television series | 13 | 70 |
| Agatha Raisin | Sky One | crime television series | 3 | 16 |
| Age Before Beauty | BBC One | drama | 1 | 3 |
| Agenda | BBC One Scotland | — | — | — |
| Agent Z and the Penguin from Mars | BBC One | — | — | — |
| Agony Again | British Broadcasting Corporation | sitcom | — | 7 |
| AI Confidential with Hannah Fry | BBC Two | documentary television program | — | 3 |
| Ain't Misbehavin' | BBC One | sitcom | 2 | 12 |
| Aircrash Confidential | Discovery Channel | docudrama | 2 | 6 |
| Airline | ITV1 | reality television | 10 | — |
| Airline | ITV | drama television series | 1 | 9 |
| Airmageddon | BBC Children's and Education | — | 1 | 12 |
| Airport | BBC Two | documentary film, reality television | 11 | 96 |
| Airport Live | BBC Two | documentary film | 1 | 4 |
| AKA Cartoon Network | — | — | — | — |
| Al Murray's Compete for the Meat | U&Dave | game show, comedy television series | 1 | 8 |
| Al Murray's Great British Pub Quiz | — | — | — | — |
| Al Murray's Happy Hour | ITV1 | — | 3 | 29 |
| Al Murray’s Road to Berlin | Discovery Channel | documentary television program | 1 | 10 |
| Alan Carr's Celebrity Ding Dong | Channel 4 | game show | 2 | 11 |
| Alan Carr's Epic Gameshow | ITV | game show | 2 | 7 |
| Alan Carr's Specstacular | Channel 4 | — | — | — |