| Hell's Kitchen | ITV1 | — | 4 | 60 |
| Hello Campers | ITV | — | 1 | 30 |
| Hello Cheeky | — | — | — | — |
| Hello Do You Hear Us? | — | documentary film | — | 5 |
| Help | BBC Two | comedy television series | 1 | 6 |
| Help Me Anthea, I'm Infested | BBC Three | — | 1 | 3 |
| Help! I'm a Teenage Outlaw | ITV | — | 2 | 13 |
| Help! My House is Falling Down | — | — | — | — |
| Help! My Supply Teacher's Magic | BBC Children's and Education | children's television series | 2 | 26 |
| Help! Teach is Coming to Stay | BBC Two | children's television series | — | 20 |
| Helping Henry | — | children's television series | — | — |
| Henpocalypse! | — | — | — | — |
| Henry IX | — | — | — | 3 |
| Henry VIII: The Mind of a Tyrant | — | — | — | — |
| Henry's Cat | British Broadcasting Corporation | — | 5 | 51 |
| Henry’s Leg | ITV | — | 1 | 6 |
| Hercule | BBC One, BBC iPlayer | — | 1 | 6 |
| Here Come the Double Deckers | American Broadcasting Company, BBC One | — | 1 | 17 |
| Here Comes the Queen | — | sitcom | 1 | 1 |
| Here We Go | — | sitcom | — | — |
| Hereward the Wake | — | — | — | — |
| Hero Squad | CBBC | children's television series | 3 | — |
| Hero to Zero | BBC One | — | 1 | 6 |
| Heroes and Villains | BBC One | documentary film, docudrama | 1 | 6 |
| Heroes of Comedy | — | — | — | — |
| Heroes of World War II | — | — | — | — |
| Heroes Unmasked | BBC Two | documentary television program | 3 | 46 |
| Heston's Fantastical Food | Channel 4 | cooking show | 1 | 7 |
| Heston's Feasts | Channel 4 | cooking show | 2 | 12 |
| Hetty Feather | CBBC | children's television series, drama television series | 6 | 55 |
| Hetty Wainthropp Investigates | ITV | — | 4 | 28 |
| Hex | Sky One | paranormal television program, LGBT-related television series, drama television series, fantasy television series | 2 | 19 |
| Hey Tracey! | — | — | — | 14 |
| Hey, Hey, It's Saturday! | TV-am | children's television series | — | — |
| Hi Summer | — | — | — | — |
| Hi-5 | Cartoonito | children's television series | 1 | 40 |
| Hi-5 UK | Cartoonito | — | — | 40 |
| Hi-de-Hi! | BBC One | sitcom | 9 | 58 |
| Hickory House | ITV | — | 5 | 129 |
| Hidden | BBC One | thriller television series | 1 | 4 |
| Hidden | S4C | crime television series | — | 8 |
| Hidden Kingdoms | — | — | 1 | 3 |
| Hidden London Hangouts | YouTube | — | — | — |
| Hidden Talent | Channel 4 | reality television | 1 | 5 |
| High & Dry | — | — | 1 | 6 |
| High Hopes | BBC One Wales | sitcom | 6 | 42 |
| High Living | — | soap opera | — | — |
| High School | — | documentary film | — | — |
| High Spirits with Shirley Ghostman | BBC Three | comedy television series | — | 8 |
| High Stakes | ITV | sitcom | — | — |
| High Stakes | — | game show | 1 | 8 |
| High Street Dreams | BBC One | documentary film | 1 | 4 |
| Highland Emergency | Channel 5 | documentary television program, reality television | 3 | — |
| Highway | ITV | — | 12 | 83 |
| Hijack | Apple TV | thriller film | 2 | 15 |
| Hilda Lessways | British Broadcasting Corporation | — | — | — |
| Him & Her | BBC Three | sitcom, LGBT-related television series | 4 | 25 |
| Himalaya with Michael Palin | British Broadcasting Corporation | documentary film | 1 | 6 |
| Hine | — | — | — | — |
| Hippies | BBC Two | sitcom | 1 | 6 |