| Horimiya: The Missing Pieces | July 1, 2023 | — | 13 |
| Horizon in the Middle of Nowhere | October 1, 2011 | — | 26 |
| Horrid Henry | October 31, 2006 | CITV | 208 |
| Horror Collector | October 10, 2026 | NHK General TV | — |
| Horror News | — | — | — |
| Horseland | September 16, 2006 | CBS | 39 |
| 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 |
| Hot Streets | January 14, 2018 | Adult Swim | 4 |
| Hot Wheels | September 6, 1969 | American Broadcasting Company | 17 |
| Hot Wheels Let's Race | March 4, 2024 | — | — |
| Hot Wheels: Battle Force 5 | August 29, 2009 | Cartoon Network | 54 |
| Hotel Inhumans | July 6, 2025 | — | — |
| Hotel Transylvania: The Television Series | June 25, 2017 | Disney Channel | 52 |
| Hourglass of Summer | May 21, 2004 | — | — |
| House of Cosbys | January 30, 2005 | Channel 101 | 4 |
| House of Five Leaves | April 15, 2010 | Fuji Television | 12 |
| House of Rock | — | — | — |
| HouseBroken | May 31, 2021 | Fox Broadcasting Company | 30 |
| 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 Dare You!? | — | — | — |
| 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 Draw | September 30, 2022 | Disney Channel | 29 |
| How Not to Summon a Demon Lord | July 5, 2018 | AT-X | 22 |
| How To Be Cool | September 28, 2024 | — | 4 |
| How to Become Ordinary | July 7, 2024 | — | 22 |
| How to Keep a Mummy | January 11, 2018 | — | 12 |
| Howie & Landau | February 6, 2005 | — | — |
| Hoyt 'n Andy's Sportsbender | — | — | 13 |
| Hozuki's Coolheadedness | January 10, 2014 | — | 39 |
| Hubert & Takako | November 3, 2013 | — | 78 |
| 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 |
| Huggleboo | — | — | — |
| Hulaing Babies | January 11, 2019 | — | — |
| Hulk and the Agents of S.M.A.S.H. | August 11, 2013 | Disney XD | 52 |
| Hulk Hogan's Rock 'n' Wrestling | September 14, 1985 | CBS | 26 |
| Hulli | — | — | — |
| Human Crossing | April 5, 2003 | TV Tokyo | 13 |
| Human Kind Of | September 16, 2018 | Facebook Watch | — |
| Human Resources | 2022 | Netflix | 20 |
| Humanity Has Declined | July 2, 2012 | — | 12 |
| Hundred | April 5, 2016 | — | 12 |
| Hungarian Folk Tales | September 18, 1980 | — | 113 |
| Hungry Heart: Wild Striker | September 11, 2002 | Fuji Television | 52 |
| Hungry Wolf | March 14, 2012 | — | 14 |
| Hunter × Hunter | October 16, 1999 | Fuji Television | 62 |
| Hunter × Hunter | October 2, 2011 | Nippon Television | 148 |
| Huntik: Secrets & Seekers | January 12, 2009 | Rai 2 | 26 |
| Hurricane Polymar | October 4, 1974 | — | 26 |
| Hurricanes | September 12, 1993 | ITV1 | 65 |
| Hustle Punch | November 1, 1965 | — | — |