| Horrible Histories with Stephen Fry | — | comedy television series | — | — |
| Horrible Histories: Gory Games | BBC Children's and Education, CBBC | game show | 4 | 41 |
| Horror in the East | — | documentary film, documentary television program | — | — |
| Horses Galore | — | — | — | — |
| Hospital 24/7 | BBC One | documentary film | 3 | 12 |
| Hostage | Netflix | political thriller | 1 | 5 |
| Hot Metal | ITV | sitcom | 2 | 12 |
| Hot Property | — | game show | 5 | 76 |
| Hotch Potch House | BBC Two | children's television series | 1 | 11 |
| Hotel | BBC One | documentary film | 1 | 8 |
| Hotel Babylon | BBC One, BBC HD | drama television series | 4 | 32 |
| Hotel Babylon | — | — | — | — |
| Hotel GB | Channel 4 | — | 1 | 5 |
| Hotel of Mum and Dad | BBC Three | — | 2 | 12 |
| Hotel Portofino | BritBox | historical drama | 3 | 18 |
| Hotel Trubble | CBBC | — | 3 | 39 |
| Hotter Than My Daughter | BBC Three | reality television | 2 | 14 |
| Houdini and Doyle | Fox Broadcasting Company, ITV | drama television series, mystery television series | 1 | 10 |
| Hounded | BBC Children's and Education | — | 1 | 13 |
| Hour of Mystery | ITV | crime film | 1 | 20 |
| House Auction | — | documentary television program | — | — |
| House Doctor | Channel 5 | reality television | 7 | 40 |
| House Gift | — | game show | 4 | 56 |
| House Guest | — | reality television | — | — |
| House of Anubis | Nickelodeon | mystery television series | 3 | 190 |
| House of Fools | — | sitcom | 2 | 13 |
| House of Saddam | BBC Two | docudrama | 1 | 4 |
| How 2 | ITV | — | 15 | 198 |
| How Art Made the World | BBC One | documentary film | 1 | 5 |
| How Clean Is Your House? | Channel 4 | reality television | 6 | 28 |
| How Dare You! | — | — | — | — |
| How Do They Do It? | Discovery Channel | documentary television program | — | — |
| How Do You Solve a Problem Like Maria? | BBC One | reality television | 1 | 8 |
| How Do You View? | — | comedy television program | — | — |
| How Green Was My Valley | BBC Two | drama television series | 1 | 6 |
| How Not to Decorate | — | — | — | — |
| How Not to Live Your Life | BBC Three | sitcom | 3 | 20 |
| How the Other Half Live | — | documentary television program | — | — |
| How to Be a Composer | BBC Four | documentary film | 1 | 2 |
| How to Be a Little Sod | BBC One | — | 1 | 10 |
| How to Get a Council House | — | — | — | — |
| How to Get Lucky | — | reality television | — | — |
| How to Kill Your Family | Netflix | — | — | — |
| How to Live Longer | BBC One, MBC 4, MBC Shahid, MBC Max, MBC Persia | reality show | — | — |
| How to Live Mortgage Free with Sarah Beeny | Channel 4 | reality television | — | — |
| How to Look Good Naked | Channel 4 | — | — | — |
| How to Play the Piano | — | — | — | — |
| How to Start Your Own Country | BBC Two | documentary television program, comedy television series | 1 | 6 |
| How We Built Britain | — | documentary film | — | — |
| How We Got to Now | — | — | 1 | 6 |
| How We Used To Live | ITV Yorkshire | drama television series, children's television series | — | — |
| How's Your Father? | ITV | — | 2 | 13 |
| Howards' Way | BBC One | soap opera, drama television series | 6 | 78 |
| Hugh and I | British Broadcasting Corporation | sitcom | — | 69 |
| Hullraisers | — | comedy | 1 | 6 |
| Human Planet | BBC One | nature documentary | 1 | 8 |
| Human Remains | BBC Two | comedy television series | 1 | 6 |
| Human senses | — | document | — | 3 |
| Human Universe | — | — | 1 | 5 |
| Humans | Channel 4 | science fiction television series, drama television series, LGBT-related television series, alternate history television series | 3 | 24 |