- Makeruna!! Aku no Gundan!
- Makiba no Shoujo Katri
- Makura no Danshi
- Makyou Densetsu Acrobunch
- Mala Qianjin Dou Eshao
- Mama wa Shougaku 4 Nensei
- Mamahaha no Tsurego ga Motokano datta
- Mameneko
- Mamoru-kun ni Megami no Shukufuku wo!
- Mamotte Shugogetten!
- Mamotte! Lollipop (Dub)
- Man Tou Riji
- Manaria Friends
- Manaria Friends (Dub)
- Mang Huang Ji
- Manga de Wakaru! Fate/Grand Order
- Manga Nihon Emaki
- Manga Nihon Keizai Nyuumon
- Manga Sekai Mukashibanashi
- Mangaka-san to Assistant-san to
- Mangaka-san to Assistant-san to OVA
- Mangirl!
- Mangirl! OVA
- Manie-Manie: Meikyuu Monogatari
- Manyuu Hikenchou
- Mao Zhi Ming
- Mao Zhi Ming Special
- Maoling Xiangce
- Maou Dante (Dub)
- Maou Gakuin no Futekigousha: Shijou Saikyou no Maou no Shiso, Tensei shite Shison-tachi no Gakkou e
- Maou Gakuin no Futekigousha: Shijou Saikyou no Maou no Shiso, Tensei shite Shison-tachi no Gakkou e (Dub)
- Maou Gakuin no Futekigousha: Shijou Saikyou no Maou no Shiso, Tensei shite Shison-tachi no Gakkou e Kayou 2nd Season Part 2
- Maou-sama, "Petit" Retry!
- Maou-sama, Retry!
- Maou-sama, Retry! (Dub)
- Maoujou de Oyasumi
- Maoujou De Oyasumi (Dub)
- Maoyuu Maou Yuusha
- Maple Story
- Maple Town Monogatari
- Maps
- MÄR (Dub)
- Marchen Awakens Romance
- Märchen Mädchen
- Märchen Mädchen Specials
- Mardock Scramble: The First Compression
- Mardock Scramble: The First Compression (Dub)
- Mardock Scramble: The Second Combustion
- Mardock Scramble: The Second Combustion (Dub)
- Mardock Scramble: The Third Exhaust
- Mardock Scramble: The Third Exhaust (Dub)
- Marginal Prince
- Marginal#4: Kiss kara Tsukuru Big Bang
- Maria Holic
- Maria Holic (Dub)
- Maria Holic Alive
- Maria Holic Alive (Dub)
- Maria the Virgin Witch (Dub)
- Maria-sama ga Miteru 1st
- Maria-sama ga Miteru 3rd Season
- Maria-sama ga Miteru 3rd Specials
- Maria-sama ga Miteru 4th Season
- Maria-sama ga Miteru 4th Specials
- Maria-sama ga Miteru Haru 2nd
- Marie & Gali
- Marie & Gali Special
- Marie & Gali ver. 2.0
- Marimo no Hana
- Marmalade Boy
- Marmalade Boy (Dub)
- Marmalade Boy Movie
- Marmalade Boy Movie (Dub)
- Marriage addiction
- Marry A Mysterious Man
- Mars Daybreak (Dub)
- Mars of Destruction OVA (2005)
- Mars Red
- Mars Red (Dub)
- Mars Red: Zero Kikan Nippou
- Martial Inverse
- Martin Mystery (Dub)
- Marulk-chan no Nichijou
- Marvel Disk Wars: The Avengers (Dub)
- Marvel Future Avengers (Dub)
- Marvel Future Avengers 2nd Season (Dub)
- Mary to Majo no Hana
- Mary to Majo no Hana (Dub)
- Maryuu Senki
- Masamune Datenicle
- Masamune-kun no Revenge
- Masamune-kun no Revenge (Dub)
- Masamune-kun no Revenge OVA
- Masamune-kun no Revenge R
- Mashin Eiyuuden Wataru
- Mashin Eiyuuden Wataru 2
- Mashin Eiyuuden Wataru: Owarinaki Toki no Monogatari
- Mashin Eiyuuden Wataru: Shichikon no Ryuujinmaru
- Mashiro no Oto
- Mashiro-Iro Symphony
- Mashiro-iro Symphony: Airi ga Anata no Kanojo ni!?
- Mashiro-iro Symphony: The Color of Lovers Picture Drama
- Masou Gakuen HxH
- Masou Gakuen HxH Specials
- Masou Kishin Cybuster
- Mass Effect: Paragon Lost
- Mass Effect: Paragon Lost (Dub)
- Massara
- Master Keaton
- Master Keaton (Dub)
- Master Mosquiton
- Master Mosquiton '99
- Master Mosquiton (Dub)
- Master of Epic: The Animation Age
- Master of Torque
- Master of Torque 2
- Master of Torque 3
- Master of Torque: Epilogue
- Masuda Kousuke Gekijou Gag Manga Biyor
- Masuda Kousuke Gekijou Gag Manga Biyori 2
- Masuda Kousuke Gekijou Gag Manga Biyori 3
- Matantei Loki Ragnarok
- Matantei Loki Ragnarok (Dub)
- Mato Seihei no Slave
- Mawaru Penguindrum
- Mawaru Penguindrum (Dub)
- Maya the Bee (Dub)
- Maya the Bee 2nd Season (Dub)
- Mayo Chiki
- Mayo Chiki! (Dub)
- Mayoi Neko Overrun
- Mayoiga
- Mayonaka no Occult Koumuin
- Mayonaka no Occult Koumuin (Dub)
- Mayonaka no Occult Koumuin: Fukurokouji to Ano Ko to Ore to
- Mayonaka no Occult Koumuin: Hitoribocchi no Kyuuketsuki
- Mayonaka no Occult Koumuin: Hitoribocchi no Kyuuketsuki (Dub)