| 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 |
| 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 |
| 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 |
| Nekketsu Saikyō Go-Saurer | March 3, 1993 | TV Tokyo | 51 |
| Neko Jockey | May 6, 2021 | — | — |
| Neko ni Tensei Shita Oji-san | October 7, 2024 | — | — |
| Neko Rahmen | December 24, 2006 | — | 13 |
| Nekojiru Gekijō | July 9, 1999 | TV Asahi | — |
| Nekopara | January 9, 2020 | — | 12 |
| Neo Angelique Abyss | April 6, 2008 | TV Tokyo | 13 |
| Neo Ranga | April 6, 1998 | WOWOW | 48 |
| Neon Genesis Evangelion | October 4, 1995 | TX Network | 26 |
| Nerima Daikon Brothers | January 9, 2006 | TV Tokyo | 12 |
| Nessa no Haō Gandalla | April 11, 1998 | WOWOW | 26 |
| Net Ghost PiPoPa | April 6, 2008 | — | 51 |
| Net Miracle Shopping | — | — | — |
| Neuro: Supernatural Detective | October 2, 2007 | — | 25 |
| New Attacker You! | — | — | 52 |
| New Game! | July 4, 2016 | — | 24 |
| New Honeybee Hutch | April 5, 1974 | — | 26 |
| New Jungle Emperor, Go Ahead Leo! | October 5, 1966 | Fuji Television | — |
| New Laughing Salesman | April 3, 2017 | — | — |
| New Moomin | January 9, 1972 | — | 52 |
| New Panty & Stocking with Garterbelt | July 10, 2025 | — | 13 |
| New Saga | July 3, 2025 | — | 12 |
| NG Knight Lamune & 40 | April 6, 1990 | — | 38 |
| Nia Liston: The Merciless Maiden | October 6, 2026 | — | — |
| Nichijou | April 3, 2011 | — | 26 |
| NieA_7 | April 26, 2000 | WOWOW | 13 |
| NieR:Automata Ver1.1a | January 8, 2023 | Tokyo MX, Nippon BS Broadcasting, Tochigi Television, Gunma Television | — |
| Night Head 2041 | July 15, 2021 | Fuji Television | 12 |
| Night Head Genesis | July 27, 2006 | — | 24 |
| Night of the Living Cat | July 8, 2025 | — | 12 |
| Night Raid 1931 | April 5, 2010 | — | 13 |
| Night Wizard The ANIMATION | October 2, 2007 | — | — |
| Nights with a Cat | August 3, 2022 | — | — |
| Nightwalker: The Midnight Detective | July 8, 1998 | TV Tokyo | 12 |
| Nijū Mensō no Musume | April 12, 2008 | — | 22 |
| Nil Admirari no Tenbin | April 8, 2018 | — | 12 |
| Nina the Starry Bride | October 10, 2024 | — | 12 |
| Ninja Girl & Samurai Master | October 4, 2016 | — | 78 |
| Ninja Hattori-kun | September 28, 1981 | TV Asahi | 694 |
| Ninja Hattori-kun Returns | May 14, 2012 | Nickelodeon | 156 |
| Ninja Kamui | February 11, 2024 | — | 13 |
| Ninja Nonsense | July 8, 2004 | — | 12 |
| Ninja Scroll: The Series | April 15, 2003 | WOWOW | 13 |
| Ninja Senshi Tobikage | October 6, 1985 | — | 43 |