- M.D.Giest Ova
- Maburaho
- Macross 7
- Macross 7 Encore
- Macross 7 the Movie: The Galaxy's Calling me
- Macross 7 Dynamite
- Macross Frontier
- Macross Plus
- Macross Zero
- Madlax
- Madonna
- Magic Knight Rayearth
- Magic User's Club Ova
- Magic User's Club TV
- Magical Angel Creamy Mami
- Magical Canan
- Magical Girl Lyrical Nanoha
- Magical Girl Lyrical Nanoha A's
- Magical Girl Lyrical Nanoha StrikerS
- Magical Girl Squad Alice
- Magical Meow Meow Taruto
- Magical Pokan
- Magical Shopping Arcade Abenobashi
- Magikano
- Mahjong Legend Akagi
- Mahoraba
- Mahoromatic
- Mahoromatic: Something More Beautiful
- Mahou Sensei Negima
- Mahou Senshi Louie
- Mahou Tsukai Ni Taisetsu Na Koto: Katsu No Sora
- Mai Hime
- Mai Otome
- Mai Otome Zwei Ova
- Mai-Otome O~S.ifr~
- Maison Ikkoku
- Majin Tantei Nougami Neuro
- Major Season 1
- Major Season 2
- Major Season 3
- Major Season 4
- Makai Senki Disgaea
- Mamoru-kun ni Megami no Shukufuku wo!
- Mamotte Shugogetten
- Manabi Straight
- Mao-chan
- Maple Story
- Maps Ova
- Marchen Awakens Romance
- Maria-sama ga Miteru Season I
- Maria-sama ga Miteru ~Haru~ Season II
- Maria-sama ga Miteru season III Ova
- Marmalade Boy
- Mars Daybreak
- Martian Successor Nadesico
- Massugu Ni Ikou
- Master Keaton + OVA
- Master Mosquiton 99
- Master of Mosquiton OVA
- Matantei Loki Ragnarok
- Mazinger Z
- Medabots
- Mega Man Star Force
- Meine Liebe
- Meine Liebe Wieder
- Melody of Oblivion
- Memories
- Mermaid Forest
- Mermaid Melody
- Mermaid Melody Pichi Pichi Pitch
- Mermaid Melody Pichi Pichi Pitch Pure
- Metropolis
- Mezzo DSA
- Miami Guns
- Midori no Hibi
- Millennium Actress
- Minami-ke
- Minami-ke Okawari
- Mind Game
- Mini Goddess
- Miracle Girls
- Mirage of Blaze
- Mister Ajikko
- Mizuiro
- Mnemosyne
- Mobile Suit Victory Gundam
- Mobile Suit Zeta Gundam
- Moetan
- Mokke
- Monster
- MOUSE
- MS Gundam 0083: Stardust Memory
- Murder Princess (OVA)
- Mushishi
- Muteki Kanban Musume
- My Neighbor Totoro
