| Visions of the Future | BBC Four | documentary film, documentary television program | 1 | 3 |
| Vital Signs | ITV | — | 1 | 6 |
| Viva Cabaret | Channel 4 | light entertainment | 2 | 13 |
| Viva S Club | BBC Children's and Education, BBC One | — | 1 | 13 |
| Vocabularry | — | animated film, children's television | — | — |
| Volcano Live | BBC Two | — | 1 | 4 |
| Vroom Vroom | Sky One | — | 2 | 16 |
| W1A | BBC Two | comedy television series | 2 | 4 |
| Wacaday | TV-am | children's television series | — | — |
| Waffle | ITV | game show | 1 | 40 |
| Waffle the Wonder Dog | — | childhood | 3 | 38 |
| WAGs Boutique | ITV2 | reality television | 1 | 13 |
| Wail of the Banshee | — | — | — | — |
| Waiting for God | BBC One | sitcom | 5 | 47 |
| Waiting for the Out | — | — | — | — |
| Wakey Wakey Campers | Channel 4 | reality television | 1 | 4 |
| Waking the Dead | BBC One | crime television series, drama television series, police television drama | 9 | 92 |
| Wales Playhouse | — | — | — | — |
| Wales This Week | — | current affairs | — | — |
| Wales' Home of the Year | — | — | — | — |
| Walk on the Wild Side | BBC One | comedy television series | 2 | 13 |
| Walk the Line | — | — | — | — |
| Walking Britain's Lost Railways | — | — | — | — |
| Walking Through History | — | — | — | — |
| Walking with Beasts | British Broadcasting Corporation | documentary film | 1 | 6 |
| Walking with Cavemen | British Broadcasting Corporation | nature documentary | 1 | 4 |
| Walking with Dinosaurs | British Broadcasting Corporation | popular science film | 1 | 6 |
| Walking with Dinosaurs | BBC One | documentary television program | — | 6 |
| Walking with Monsters | British Broadcasting Corporation | nature documentary | 1 | 3 |
| Walking with... | British Broadcasting Corporation | documentary film, documentary television program | — | — |
| Walking with... | — | — | — | — |
| Wall of Fame | — | panel game | 1 | 10 |
| Wallace and Gromit's World of Invention | BBC One | scientific non-fiction literature | 1 | 6 |
| Wallander | BBC One, BBC HD, British Broadcasting Corporation | drama television series, crime television series | 4 | 12 |
| Walter | BBC One | — | — | — |
| Walter and Connie | — | — | — | 78 |
| Wanderlust | BBC One, Netflix | drama | 1 | 6 |
| Wannabe | VH1 | reality television | 2 | 14 |
| Wanted | Channel 4 | reality television | 2 | 16 |
| Wanted Down Under | BBC One | — | — | — |
| War | Sky Group, HBO | legal drama | — | — |
| War and Peace | British Broadcasting Corporation | — | 1 | 20 |
| War in the Air | — | documentary television program | — | — |
| War of the Century | BBC Two | documentary film | 1 | 4 |
| War Walks | BBC Two | documentary film, documentary television program | 2 | 12 |
| Waraa el Setara | YouTube | comedy | 1 | — |
| Warren | — | sitcom | 1 | 6 |
| Warren United | — | sitcom | 1 | 6 |
| Warrior Queen | ITV | — | 1 | 6 |
| Warriors | BBC One | drama television series | 1 | 2 |
| Warship | British Broadcasting Corporation | drama television series | 4 | 45 |
| Warship | Channel 5 | documentary film, documentary television program | 2 | 12 |
| Wartime Farm | BBC Two | documentary film | — | — |
| Was It Something I Said? | Channel 4 | panel game | 1 | 8 |
| Wasp's Nest | — | — | — | — |
| Wasted | Channel 4 | sitcom | 1 | 6 |
| Watch the Birdies | — | — | — | — |
| Watch with Mother | BBC One | — | — | — |
| Watchdog | BBC One | investigative journalism | — | 1,064 |
| Watchdog Test House | — | — | 2 | 30 |