- Maria†Holic
- Maria†Holic Alive
- Marie & Gali
- Marie & Gali Episode Zero
- Marie & Gali Special
- Marie & Gali ver. 2.0
- Marimo no Hana: Saikyou Butouha Shougakusei Densetsu
- Marmalade Boy
- Maroko
- Marriage: Kekkon
- Mars Red
- Marudase Kintarou
- Marulk-chan no Nichijou
- Marvel Future Avengers
- Marvel Future Avengers 2nd Season
- Mary to Majo no Hana
- Maryuu Senki
- Masamune Datenicle
- Masamune-kun no Revenge
- Masamune-kun no Revenge OVA
- Masamune-kun no Revenge R
- Mashin Eiyuuden Wataru: Shichikon no Ryuujinmaru
- Mashin Souzouden Wataru
- Mashiro-iro Symphony: The Color of Lovers
- Mashiro-iro Symphony: The Color of Lovers Picture Drama
- Mashle
- Mashle 2nd Season
- Mashle Specials
- Massara
- Master Keaton
- Master Mosquiton
- Master Mosquiton '99
- Masuda Kousuke Gekijou Gag Manga Biyori
- Masuda Kousuke Gekijou Gag Manga Biyori +
- Masuda Kousuke Gekijou Gag Manga Biyori 2
- Masuda Kousuke Gekijou Gag Manga Biyori 3
- Masuda Kousuke Gekijou: Gag Manga Biyori Go
- Matantei Loki Ragnarok
- Mattsu to Yanma to Moburi-san 2: Suigun Otakara to Nazotoki no Shimajima
- Mattsu to Yanma to Moburi-san: Nanatsu no Hihou to Soratobu Oshiro
- Mayo Chiki!
- Mayoi Neko Overrun!
- Mayoi Neko Overrun! Specials
- Mayonaka no Occult Koumuin
- Mayonaka no Occult Koumuin: Fukurokouji to Ano Ko to Ore to
- Mayonaka no Occult Koumuin: Hitoribocchi no Kyuuketsuki
- Mayonaka Punch
- Maze☆Bakunetsu Jikuu
- Maze☆Bakunetsu Jikuu (TV)
- Mazica Party
- Mazinger Z
- Mazinger Z Movie: Infinity
- Mazinger Z tai Ankoku Daishougun
- Mazinger Z tai Devilman
- Mazinkaiser
- Mazinkaiser SKL
- Mecha-ude
- Mecha-ude (TV)
- Medaka Box
- Medaka Box Abnormal
- Medalist
- Medarot
- Megalo Box
- Megami Kouhosei
- Megami Paradise
- Megami-ryou no Ryoubo-kun.
- Megami-ryou no Ryoubo-kun. (Uncensored)
- Megane na Kanojo
- Meganebu!
- Megaton-kyuu Musashi
- Megaton-kyuu Musashi 2nd Season
- Megazone 23
- Meiji Gekken: 1874
- Meiji Tokyo Renka
- Meisou-Ou Border
- Mekakucity Actors
- Mellow
- Memories
- Memories Off
- Memories Off #5 Togireta Film The Animation
- Memories Off 2nd
- Memories Off 3.5
- Merc Storia: Mukiryoku no Shounen to Bin no Naka no Shoujo
- Mermaid Melody Pichi Pichi Pitch
- Mermaid Melody Pichi Pichi Pitch Pure
- Mermaid's Scar
- Metal Fighter Miku
- Metal Skin Panic MADOX-01
- Metallic Rouge
- Metropolis
- Mewkledreamy
- Mewkledreamy Mix!
- Mezzo DSA
- Mezzo Forte
- MF Ghost
- MF Ghost 2nd Season
- Miami Guns
- Micchiri Neko
- Michiko to Hatchin
- Midnight Crazy Trail
- Midori no Hibi
- Mieruko-chan
- Migi to Dali
- Mignon
- Mijikamon
- Mikadono Sanshimai wa Angai, Choroi.
- Mikagura Gakuen Kumikyoku (TV)
- Mikakunin de Shinkoukei: Kamoniku tte Midori-ppoi Aji ga Suru no ne.
- Mikakunin de Shinkoukei: Mite. Are ga Watashitachi no Tomatteiru Ryokan yo.
- Mikan Enikki
- Mikan Enikki Specials
- Mikosuri Han-Gekijou
- Military!
- Military! Special
- Milky Highway
- Milky Passion: Dougenzaka - Ai no Shiro
- Million Doll
- Min Diao Ju Yi Wen Lu
- Minami Kamakura Koukou Joshi Jitenshabu
- Minami-ke
- Minami-ke Betsubara
- Minami-ke Natsuyasumi
- Minami-ke Okaeri
- Minami-ke Okawari
- Minami-ke Omatase
- Minami-ke Tadaima
- Mind Game
- Mini Toji
- Mini Van
- Mini Yon Soldier Rin!
- Mini Yuri
- Minky Momo in Tabidachi no Eki
- Minna Agechau♡
- Minna Atsumare! Falcom Gakuen
- Minna Atsumare! Falcom Gakuen SC
- Miracle Shoujo Limit-chan
