| Lupin the 3rd Part 5 | April 4, 2018 | — | — |
| Maburaho | October 14, 2003 | WOWOW | 24 |
| Mad Bull 34 | December 21, 1990 | — | 4 |
| Magical Circle Guru Guru | July 11, 2017 | — | 24 |
| Magical Circle Guru Guru | October 13, 1994 | — | 45 |
| Magical Girl Lyrical Nanoha | October 1, 2004 | — | 13 |
| Magical Girl Lyrical Nanoha A's | October 1, 2005 | — | 13 |
| Magical Play | November 16, 2001 | — | 24 |
| Magical Project S | October 4, 1996 | — | 26 |
| Magical Sempai | July 2, 2019 | — | 12 |
| Magical Shopping Arcade Abenobashi | April 4, 2002 | — | 13 |
| Magical Somera-chan | October 7, 2015 | — | 12 |
| Magical Taluluto | September 2, 1990 | — | 87 |
| Magician's Academy | October 6, 2008 | — | 12 |
| Magikano | January 3, 2006 | — | 13 |
| Magimoji Rurumo | July 9, 2014 | Tokyo MX | 12 |
| Mahoraba: Heartful days | January 10, 2005 | TV Tokyo | 26 |
| Mahou Shoujo Nante Mouiidesukara | January 12, 2016 | — | 24 |
| Mainichi Kaasan | April 1, 2009 | TV Tokyo | 142 |
| Maison Ikkoku | March 26, 1986 | Fuji Television | 96 |
| Makai Senki Disgaea | April 4, 2006 | — | — |
| Makina-san's a Love Bot?! | April 7, 2025 | — | 12 |
| Mama Loves the Poyopoyo-Saurus | September 2, 1995 | — | 52 |
| Mami the Psychic | April 7, 1987 | TV Asahi | 119 |
| Mangirl! | January 2, 2013 | — | 13 |
| Manmaru the Ninja Penguin | July 5, 1997 | — | 48 |
| Martian Successor Nadesico | October 1, 1996 | TV Tokyo | 26 |
| Mashin Hero Wataru | April 15, 1988 | Nippon Television | 45 |
| May I Ask for One Final Thing? | October 4, 2025 | — | 13 |
| Me & Roboco | December 4, 2022 | TX Network | 28 |
| Medabots | July 2, 1999 | — | 52 |
| Medaka Box | April 5, 2012 | — | 12 |
| Meganebu! | October 6, 2013 | — | 12 |
| Merman in My Tub | October 6, 2014 | — | 13 |
| Meshimase Lodoss-tō Senki: Sorette Oishii no? | April 6, 2014 | — | 13 |
| Metal Fighter Miku | July 8, 1994 | TV Tokyo | 13 |
| Miami Guns | February 5, 2000 | — | 13 |
| Mikan Enikki | October 16, 1992 | — | 31 |
| Millennium Family | — | — | — |
| Minna Atsumare! Falcom Gakuen | January 5, 2014 | — | 26 |
| Miss Kobayashi's Dragon Maid | January 12, 2017 | — | 25 |
| Miss Kuroitsu from the Monster Development Department | January 9, 2022 | — | 12 |
| Miss Machiko | October 8, 1981 | — | 95 |
| Miss Shachiku and the Little Baby Ghost | April 7, 2022 | — | 12 |
| Mitsuboshi Colors | January 7, 2018 | — | 12 |
| Mitsudomoe | July 2, 2010 | — | 22 |
| Miyuki | March 31, 1983 | Fuji Television | 37 |
| Mobile Suit Gundam-san | July 6, 2014 | — | 13 |
| Modern Magic Made Simple | July 11, 2009 | — | 12 |
| Mojacko | October 3, 1995 | — | — |
| Moldiver | February 25, 1993 | — | 6 |
| Mono | April 13, 2025 | — | 12 |
| Montana Jones | April 2, 1994 | NHK General TV | 52 |
| Mouse | January 6, 2003 | Chiba Television Broadcasting | 12 |
| Moyasimon: Tales of Agriculture | October 12, 2007 | Fuji Television | 22 |
| Mr. Osomatsu | October 5, 2015 | — | 25 |
| Mr. Stain on Junk Alley | January 6, 2003 | — | 14 |
| Mr. Tonegawa: Middle Management Blues | July 4, 2018 | Nippon Television | 24 |
| Mr. Villain's Day Off | January 8, 2024 | — | 12 |
| Ms. Koizumi Loves Ramen Noodles | January 4, 2018 | AT-X | 12 |