| 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 Grow a Planet | — | documentary film, documentary television program | 1 | 3 |
| 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 Videogames Changed the World | Channel 4 | — | — | — |
| 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 |
| Hububb | BBC One | comedy | 5 | 64 |
| Hugh and I | British Broadcasting Corporation | sitcom | — | 69 |
| Hugh's Chicken Run | Channel 4 | — | — | 6 |
| 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 |
| Humf | CBeebies | children's television series | 2 | 80 |
| Hunderby | Sky Atlantic | — | 2 | 10 |
| Hung Out | Channel 4 | sitcom | — | — |
| Hunted | BBC One | drama television series | 1 | 8 |
| Hunted | Channel 4 | reality television | 8 | — |
| Hunter's Walk | ITV | detective fiction | 3 | 39 |
| Hunting Alice Bell | Channel 4 | — | — | 6 |
| Hurricane Man | U&Dave | documentary television program | — | — |
| Hustle | BBC One | drama television series | 8 | 48 |
| Hyperdrive | BBC Two | sitcom, science fiction television series | 2 | 12 |
| Hypothetical | U&Dave | panel game | — | — |
| I Am a Killer | Crime & Investigation Network | documentary television program | 2 | 20 |
| I Am Not an Animal | BBC Two | comedy television series | — | 6 |
| I Can Cook | CBeebies | cooking show | 4 | — |
| I Can Do That | NBC | game show | — | — |
| I Can See Your Voice | — | — | — | — |
| I Didn't Know That | National Geographic | documentary television program | 3 | 31 |
| I Dream | British Broadcasting Corporation | sitcom, children's television series | 1 | 13 |
| I Dreamed a Dream: The Susan Boyle Story | — | — | — | 1 |
| I Hate Suzie | Sky Atlantic | black comedy | 2 | 11 |
| I Hate You | — | — | — | — |
| I Kissed a Boy | BBC Three | dating game show | — | — |
| I Kissed a Girl | BBC Three | dating game show | — | — |
| I Literally Just Told You | Channel 4 | game show | 2 | 14 |
| I Live with Models | Comedy Central | sitcom | 2 | 16 |
| I Love My Country | BBC One | panel game, comedy television series | 1 | 8 |
| I Love the '70s | — | — | — | — |
| I Love the '80s | BBC Two | — | — | — |
| I Love the '90s | BBC Two | — | — | — |
| I Never Knew That About Britain | — | — | 1 | 8 |
| I Remember Nelson | — | — | — | — |
| I Survived a Zombie Apocalypse | BBC Three | — | 1 | 8 |
| I Want My Wife Back | BBC One | sitcom | 1 | 6 |
| I Was a Rat | — | — | 1 | 3 |