| What the Butler Saw | — | reality television | — | — |
| What the Dickens | Sky Arts | panel game | 3 | 22 |
| What the Industrial Revolution Did for Us | BBC Two | documentary film | 1 | 6 |
| What the Papers Say | ITV, Channel 4, BBC Two, BBC Radio 4 | media journalism | — | — |
| What the Romans Did for Us | BBC Two | documentary film | — | 6 |
| What the Stuarts Did for Us | BBC Two | documentary film | 1 | 4 |
| What the Tudors Did for Us | BBC Two | documentary film | 1 | 4 |
| What the Victorians Did for Us | British Broadcasting Corporation | documentary film | — | 8 |
| What to Eat Now | BBC Two | documentary film | 2 | 12 |
| What's Up Doc? | ITV | — | — | — |
| Whatever Happened to the Likely Lads? | BBC One | sitcom | 2 | 27 |
| Wheel of Fortune | ITV | game show | 14 | 735 |
| Wheelbase | BBC Two | — | — | 207 |
| Wheeler Dealers | Real Time | documentary television program | 18 | 238 |
| When Eagles Dare | — | — | — | — |
| When Joseph Met Maria | — | reality television | — | — |
| When Louis Met... | BBC Two | documentary film | 2 | 7 |
| When Paddy Met Sally | Channel 5 | reality television | — | — |
| When Rover Met BMW | — | documentary film, documentary television film | — | — |
| When the Boat Comes In | BBC One | drama television series | 4 | 51 |
| When Worlds Collide | — | documentary film | — | — |
| Where Do I Sit? | — | — | — | — |
| Where the Heart Is | ITV | soap opera, drama television series | 10 | 110 |
| Where's Elvis This Week? | — | comedy television series | — | — |
| Which Way to the War | ITV | sitcom | — | — |
| Whicker's World | — | documentary television program | — | — |
| Whirligig | — | — | — | — |
| White | — | documentary film | — | — |
| White Gold | BBC Two | comedy | 2 | 12 |
| White Heat | BBC Two | — | 1 | 6 |
| White Heather Club | — | — | — | — |
| White Hunter | ITV | — | 1 | 39 |
| White Teeth | Channel 4 | comedy drama, drama television series | 1 | 4 |
| White Van Man | BBC Three | sitcom | 2 | 12 |
| Whitechapel | ITV | police procedural, drama television series, detective fiction | 4 | 18 |
| Whites | BBC Two | sitcom | 1 | 6 |
| Whitstable Pearl | Acorn TV | — | 3 | 18 |
| Whittle | Channel 5 | game show | 2 | 130 |
| Who Dares Wins | BBC One | game show | 9 | 64 |
| Who Dares Wins | Channel 4 | sketch comedy, comedy television series | 4 | 22 |
| Who Dares, Sings! | — | game show | 1 | 7 |
| Who Do You Do? | ITV | — | 5 | 52 |
| Who Do You Think You Are? | BBC Two | documentary television program | 16 | 125 |
| Who Is Erin Carter? | — | action television series, adventure television series | 1 | 7 |
| Who Is Ghislaine Maxwell? | Starz | — | — | — |
| Who Is Sylvia? | — | — | — | — |
| Who Let the Dogs Out? | CBBC | children's television series | 4 | — |
| Who Pays the Ferryman? | BBC Two | drama television series | 1 | 8 |
| Who Wants to Be a Millionaire? | ITV, ITV1 | game show, quiz show | 35 | 636 |
| Who Wants to Be a Superhero? | — | reality television | — | 15 |
| Who Were the British? | — | — | — | — |
| Who's Doing the Dishes? | ITV1 | — | 3 | 90 |
| Whodunnit? | ITV | panel game | 6 | 50 |
| Whoops Apocalypse | ITV | sitcom | — | 6 |
| Whoops Baghdad | BBC One | sitcom | 1 | 6 |
| Whose Line Is It Anyway? | Channel 4 | panel game, humor | 10 | 136 |
| Why Didn't They Ask Evans? | BritBox | mystery television series, drama film, thriller television series | 1 | 3 |
| Why Don't You? | BBC One | children's television series | 42 | 3 |
| Why Men Don't Iron | Channel 4 | documentary television program | — | 3 |
| Wide Awake Club | TV-am | children's television series | — | — |