| My Youth Romantic Comedy Is Wrong, as I Expected | April 5, 2013 | — | 38 |
| My-HiME | September 30, 2004 | TV Tokyo | 26 |
| My-Otome | October 6, 2005 | — | 26 |
| My-Otome 0: S.ifr | February 22, 2008 | — | 3 |
| My-Otome Zwei | November 24, 2006 | — | 4 |
| Myriad Colors Phantom World | January 7, 2016 | — | — |
| Myself ; Yourself | October 3, 2007 | — | — |
| Mysterious Disappearances | April 10, 2024 | — | 12 |
| Mysterious Girlfriend X | April 7, 2012 | — | 13 |
| Mysterious Joker | October 6, 2014 | — | 52 |
| Mystery of the Necronomicon | — | — | 4 |
| MÄR | April 3, 2005 | — | 102 |
| Märchen Mädchen | January 11, 2018 | — | 12 |
| Mīmu Iro Iro Yume no Tabi | April 3, 1983 | TBS Television | 127 |
| Mō Hitotsu no Mirai o. | December 11, 2013 | — | 3 |
| Mōretsu Atarō | April 4, 1969 | — | 90 |
| Mōretsu Atarō | April 21, 1990 | — | 34 |
| Mōryō no Hako | October 7, 2008 | Nippon Television | 13 |
| Mū no Hakugei | April 5, 1980 | Yomiuri Telecasting Corporation | 26 |
| Nabari no Ou | April 6, 2008 | — | 26 |
| Nabe ni Tama o Ukenagara | 2027 | — | — |
| Nadia: The Secret of Blue Water | April 13, 1990 | NHK General TV | 39 |
| Nagasarete Airantō | April 4, 2007 | TV Tokyo | 26 |
| Nagi-Asu: A Lull in the Sea | October 3, 2013 | — | 26 |
| Naisho no Tsubomi | April 25, 2008 | — | 3 |
| Najica Blitz Tactics | October 5, 2001 | — | 12 |
| Nakaimo – My Sister Is Among Them! | July 6, 2012 | — | 12 |
| Naked Wolves | April 6, 2009 | — | 52 |
| Namuamidabutsu! Utena | April 8, 2019 | — | 12 |
| Nana | April 5, 2006 | Nippon Television | 50 |
| Nana Maru San Batsu | July 4, 2017 | — | 12 |
| Nanaka 6/17 | January 8, 2003 | — | 12 |
| Nanako SOS | April 2, 1983 | Fuji Television | 39 |
| Nanami-chan | May 17, 2004 | — | — |
| Nanana's Buried Treasure | April 10, 2014 | Fuji Television | 11 |
| Nanashi Kaidan | August 8, 2022 | TV Tokyo | 20 |
| Nanbaka | October 5, 2016 | — | 13 |
| Nanbaka | January 4, 2017 | — | 12 |
| Narenare: Cheer for You! | July 7, 2024 | — | 12 |
| Naria Girls | July 7, 2016 | — | — |
| Naruto | October 2002 | — | 220 |
| Naruto: Shippūden | February 15, 2007 | TV Tokyo | 500 |
| Natsu no Arashi! | April 5, 2009 | — | 26 |
| Natsuiro Kiseki | April 6, 2012 | MBS | 12 |
| Natsume's Book of Friends | July 8, 2008 | — | 74 |
| Natsunagu! | January 9, 2020 | Tokyo MX | 12 |
| Natsuyuki Rendezvous | July 5, 2012 | Fuji Television | 11 |
| Nazca | April 6, 1998 | — | 12 |
| Nazotoki-hime wa Meitantei | — | — | — |
| Nazotokine | October 5, 2016 | — | — |
| Necromancer Isekai: How I Went from Abandoned Villager to the Emperor's Favorite | 2027 | — | — |
| Necronomico and the Cosmic Horror Show | July 1, 2025 | — | 12 |
| Nee Summer! | — | — | 2 |
| Nee, Chanto Shiyō yo! | November 25, 2005 | — | 5 |
| Needless | July 2, 2009 | — | 24 |
| Needy Girl Overdose | April 5, 2026 | — | 13 |
| Negative Positive Angler | October 3, 2024 | — | 12 |
| Negima! Magister Negi Magi | January 6, 2005 | TV Tokyo | 26 |
| Negima!? | October 4, 2006 | — | 26 |
| Neighborhood Story | September 10, 1995 | TV Asahi | 50 |