| World Conquest Zvezda Plot | January 11, 2014 | — | 12 |
| World Dai Star | April 9, 2023 | — | 12 |
| World Destruction | July 7, 2008 | TV Tokyo | 13 |
| World Fairy Tale Series | October 4, 1995 | — | — |
| World Trigger | October 5, 2014 | — | — |
| World War Blue | October 20, 2012 | — | 3 |
| World Witches Take Off! | January 13, 2021 | — | 12 |
| World's End Harem | October 8, 2021 | — | 11 |
| WorldEnd | April 11, 2017 | — | 12 |
| Wotakoi: Love is Hard for Otaku | April 13, 2018 | Fuji Television | 11 |
| Wound & Bandage | January 10, 2027 | — | — |
| Wowser | April 5, 1988 | TV Tokyo | 104 |
| X | October 3, 2001 | WOWOW | 24 |
| X-Men | April 1, 2011 | — | — |
| Xam'd: Lost Memories | July 15, 2008 | — | 26 |
| Xenosaga: The Animation | January 5, 2005 | — | 12 |
| Xuan Yuan Sword Luminary | October 1, 2018 | — | 13 |
| XxxHolic | April 6, 2006 | — | 37 |
| Ya Boy Kongming! | April 5, 2022 | — | 12 |
| Yadamon | August 24, 1992 | NHK General TV | — |
| Yaiba: Samurai Legend | April 5, 2025 | — | 24 |
| Yakitate!! Japan | October 12, 2004 | TV Tokyo | 69 |
| Yakushiji Ryōko no Kaiki Jikenbo | July 6, 2008 | — | 13 |
| Yakuza Fiancé | October 7, 2024 | — | 12 |
| Yakyū-kyō no Uta | December 23, 1977 | — | 25 |
| Yamada-kun and the Seven Witches | April 12, 2015 | — | 12 |
| Yamato Takeru | April 9, 1994 | — | — |
| Yami to Bōshi to Hon no Tabibito | October 2, 2003 | — | 13 |
| Yamishibai: Japanese Ghost Stories | July 15, 2013 | — | 208 |
| Yanbo, Ninbo and Tonbo | April 5, 1995 | NHK Satellite 2 Television | 39 |
| Yandere Dark Elf | April 7, 2025 | — | 12 |
| Yano-kun's Ordinary Days | October 1, 2025 | — | 12 |
| Yarichin Bitch Club | June 10, 2012 | — | — |
| Yasai no Yousei: N.Y. Salad | April 5, 2007 | — | — |
| Yashahime | October 3, 2020 | — | 48 |
| Yasuke | April 29, 2021 | — | 6 |
| YAT Anshin! Uchū Ryokō | October 5, 1996 | NHK Educational TV | 75 |
| Yatagarasu: The Raven Does Not Choose Its Master | April 6, 2024 | — | 20 |
| Yatogame-chan Kansatsu Nikki | April 4, 2019 | — | 46 |
| Yatterman | January 1, 1977 | Fuji Television, Nippon Television | — |
| Yatterman | January 14, 2008 | Yomiuri Telecasting Corporation | 60 |
| Yatterman Night | January 11, 2015 | — | — |
| Yattodetaman | February 7, 1981 | Fuji Television | 52 |
| Yawara! A Fashionable Judo Girl | October 16, 1989 | Nippon Television | 124 |
| Yes! PreCure 5 | February 4, 2007 | TV Asahi | 49 |
| Yes! PreCure 5 | February 4, 2007 | — | 97 |
| Yes! Pretty Cure 5 Go Go! | February 3, 2008 | — | 48 |
| Yo-kai Watch | January 8, 2014 | AT-X, TV Tokyo, Kids Station, BS TV Tokyo | — |
| Yo-kai Watch! | April 5, 2019 | — | 36 |
| Yo-kai Watch♪ | — | — | — |
| Yoake Mae yori Ruriiro na: Crescent Love | October 4, 2006 | — | 12 |
| Yohane the Parhelion: Sunshine in the Mirror | July 2, 2023 | Tokyo MX | 13 |
| Yoiko | November 6, 1998 | TBS Television | 20 |
| Yokoso Scooby-Doo! | — | — | — |
| Yokoyama Mitsuteru Sangokushi | October 18, 1991 | — | 47 |
| Yomawari Neko | March 14, 2023 | NHK General TV | 15 |
| Yomigaeru Sora – Rescue Wings | January 8, 2006 | — | 12 |
| Yona of the Dawn | October 7, 2014 | — | 24 |
| Yoroi Shinden Samurai Troopers | January 5, 2026 | — | 24 |
| Yoshimune | April 6, 2006 | — | — |