| Honō no Haramase Dōkyūsei | December 25, 2008 | — | 2 |
| Honō no Tōkyūji: Dodge Danpei | October 14, 1991 | — | 47 |
| Honō no Tōkyūjo: Dodge Danko | July 6, 2026 | — | 12 |
| Hoop Days | April 7, 2003 | — | — |
| Hoppe-chan: Sun Ōkoku to Kuro Hoppe-dan no Himitsu | January 10, 2026 | — | 12 |
| Horimiya | January 10, 2021 | — | 13 |
| Horimiya: The Missing Pieces | July 1, 2023 | — | 13 |
| Horizon in the Middle of Nowhere | October 1, 2011 | — | 26 |
| Horror Collector | October 10, 2026 | NHK General TV | — |
| Horror News | — | — | — |
| Hortensia Saga | January 7, 2021 | — | 12 |
| Hoshi Neko Fullhouse | June 16, 1989 | — | 4 |
| Hoshi no Ko Chobin | April 5, 1974 | TBS Television | 26 |
| Hoshi no Ko Poron | April 1, 1974 | — | 260 |
| Hoshizora e Kakaru Hashi | April 11, 2011 | — | 12 |
| Hotel Inhumans | July 6, 2025 | — | — |
| Hourglass of Summer | May 21, 2004 | — | — |
| House of Five Leaves | April 15, 2010 | Fuji Television | 12 |
| Housing Complex C | October 2, 2022 | — | 4 |
| How a Realist Hero Rebuilt the Kingdom | July 4, 2021 | — | 26 |
| How Clumsy You Are, Miss Ueno | January 6, 2019 | — | 12 |
| How Heavy Are the Dumbbells You Lift? | July 3, 2019 | — | 12 |
| How I Attended an All-Guy's Mixer | October 5, 2024 | — | 12 |
| How I Became King by Eating Monsters | 2027 | — | — |
| How Not to Summon a Demon Lord | July 5, 2018 | AT-X | 22 |
| How to Become Ordinary | July 7, 2024 | — | 22 |
| How to Keep a Mummy | January 11, 2018 | — | 12 |
| Hozuki's Coolheadedness | January 10, 2014 | — | 39 |
| Huckleberry Finn Monogatari | August 26, 1994 | NHK Satellite 2 Television | 26 |
| Huckleberry no Bōken | January 2, 1976 | — | 26 |
| Hug! Pretty Cure | February 4, 2018 | — | 49 |
| Hulaing Babies | January 11, 2019 | — | — |
| Human Crossing | April 5, 2003 | TV Tokyo | 13 |
| Humanity Has Declined | July 2, 2012 | — | 12 |
| Hundred | April 5, 2016 | — | 12 |
| Hungry Heart: Wild Striker | September 11, 2002 | Fuji Television | 52 |
| Hunter × Hunter | October 16, 1999 | Fuji Television | 62 |
| Hunter × Hunter | October 2, 2011 | Nippon Television | 148 |
| Hurricane Polymar | October 4, 1974 | — | 26 |
| Hustle Punch | November 1, 1965 | — | — |
| Hyakka Ryōran | September 4, 2010 | — | 24 |
| Hyakka Ryōran: Samurai After | January 23, 2015 | — | 2 |
| Hyakki Yakōshō | April 7, 2026 | — | 12 |
| Hyakko | October 1, 2008 | — | 13 |
| Hyakushō Kizoku | July 7, 2023 | — | 12 |
| Hybrid Child | October 29, 2014 | — | 4 |
| Hybrid x Heart Magias Academy Ataraxia | July 5, 2016 | — | 12 |
| Hyouge Mono | April 7, 2011 | NHK BS Premium | 39 |
| Hyouka | April 22, 2012 | — | 22 |
| Hyper Police | April 3, 1997 | — | 25 |
| Hyper Positive Yogoremon | April 18, 2021 | — | 12 |
| Hyperdimension Neptunia: The Animation | July 12, 2013 | — | 12 |
| Hypnosis Mic: Division Rap Battle: Rhyme Anima | October 2, 2020 | — | — |
| Hyppo and Thomas | January 1, 1971 | — | 300 |
| Hyōga Senshi Gaislugger | April 12, 1977 | — | 20 |
| I Became a Legend after My 10 Year-Long Last Stand | July 6, 2026 | — | 12 |
| I Can't Understand What My Husband is Saying | October 3, 2014 | — | 26 |
| I Couldn’t Become a Hero, So I Reluctantly Decided to Get a Job | October 5, 2013 | Tokyo MX, AT-X | 12 |
| I Don't Like You at All, Big Brother! | January 9, 2011 | — | 12 |
| I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too | April 7, 2023 | — | — |