| Merman in My Tub | Orenchi no Furo Jijō | — |
| MF Ghost | MF Ghost | — |
| Mi tío es de otro mundo | Isekai Ojisan | — |
| Miami Guns | Miami Guns | — |
| Microid S | Microid S | — |
| Midori no Makibaō | Midori no Makibaō | — |
| Mieruko-chan | Mieruko-chan | — |
| Migi & Dali | Migi to Dali | — |
| Mikami, la Cazafantasmas | Cazafantasmas Mikami | — |
| Mikan Enikki | Mikan Enikki | — |
| Millennium Family | Millennium Family | — |
| Million Doll | Million Doll | — |
| Minami Kamakura High School Girls Cycling Club | Minami Kamakura Kōkō Joshi Jitensha-Bu | — |
| Minami-ke | Minami-ke | — |
| Minami-ke: Korekara | Minami-ke | — |
| Minami-ke: Okaeri | Minami-ke | — |
| Minami-ke: Tadaima | Minami-ke | — |
| Minna Atsumare! Falcom Gakuen | Minna Atsumare! Falcom Gakuen | — |
| Miracle Girls | Gemelas Milagrosas | — |
| Mirai Keisatsu Urashiman | Mirai Keisatsu Urashiman | — |
| Miss Caretaker of Sunohara-Sou | Sunohara-sou no Kanrinin-san | — |
| Miss Kobayashi's Dragon Maid | Kobayashi-san Chi no Maid Dragon | — |
| Miss Kuroitsu from the Monster Development Department | Kaijin Kaihatsubu no Kuroitsu-san | — |
| Miss Machiko | Maicching Machiko-sensei | — |
| Miss Shachiku and the Little Baby Ghost | Shachiku-san wa Yōjo Yūrei ni Iyasaretai | — |
| Mission: Yozakura Family | Yozakura-san Chi no Daisakusen | — |
| Mister Ajikko, el Rey del Sushi | Mister Ajikko | — |
| Mistress Kanan Is Devilishly Easy | Kanan-sama wa Akumade Choroi | — |
| Mitsudomoe | Mitsudomoe | — |
| MIX | Mix | — |
| Mizuiro Jidai | Mizuiro Jidai | — |
| Mobile Suit Gundam-san | Mobile Suit Gundam-san | — |
| Mobile Suit Gundam: The Origin – Advent of the Red Comet | Mobile Suit Gundam: The Origin | — |
| Mojacko | Mojacko | — |
| Mokke | Mokke | — |
| Momoiro Sisters | Momoiro Sisters | — |
| Mon Chéri CoCo | Mon Chéri CoCo | — |
| Mon Colle Knights | Los Caballeros del Mundo Mon | — |
| Monkey Turn | Monkey Turn | — |
| Mono | Mono | — |
| Monochrome Factor | Monochrome Factor | — |
| Monster | Monster | — |
| Monthly Girls' Nozaki-kun | Gekkan Shōjo Nozaki-kun | — |
| Moonlight Mile | Moonlight Mile | — |
| More Than a Married Couple, But Not Lovers. | Fūfu Ijō, Koibito Miman. | — |
| Morita-san wa Mukuchi | Morita-san wa Mukuchi | — |
| Mother of the Goddess' Dormitory | Megami-ryō no Ryōbo-kun | — |
| Mouse | Mouse | — |
| Moyasimon: Tales of Agriculture | Moyashimon | — |
| Mr. Tonegawa: Middle Management Blues | Mr. Tonegawa: Middle Management Blues | — |