All Anime List "m" at Gogoanime
- Master Keaton
- Master of Mosquiton
- Master of Mosquiton '99
- 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
- Mattsu, Yamma and Moburi - The Naval Treasure and Riddle Island
- Mattsu, Yamma and Moburi - The Mystery of the Seven Gems and the Flying Castle
- Mayo Chiki!
- Mayoi Neko Overrun!
- Mayoi Neko Overrun! Specials
- Midnight occult civil servants
- Mayonaka no Occult Koumuin: Fukurokouji to Ano Ko to Ore to
- Mayonaka no Occult Koumuin: Hitoribocchi no Kyuuketsuki
- Midnight Punch
- Maze: The Mega-Burst Space OVA
- Maze: The Mega-Burst Space
- Mazica Party
- Mazinger Z
- Mazinger Z Movie: Infinity
- Mazinger Z tai Ankoku Daishougun
- Mazinger Z vs. Devilman
- Mechanical Arms
- Mechanical Arms
- Medaka Box
- Medaka Box Abnormal
- Medalist
- Medabots
- Megalobox
- Megami Kouhosei
- Megami Paradise
- Mother of the Goddess' Dormitory
- Mother of the Goddess' Dormitory (Uncensored)
- Megane na Kanojo
- Meganebu!