- Mobile Suit Gundam: Twilight Axis - Akaki Zan-ei
- Mobile Suit SD Gundam Festival
- Mobile Suit SD Gundam Mk I
- Mobile Suit SD Gundam Mk II
- Mobile Suit SD Gundam Mk III
- Mobile Suit SD Gundam Mk IV
- Mobile Suit SD Gundam Mk V
- Mobile Suit SD Gundam Mk-IV Special
- Mobile Suit SD Gundam's Counterattack
- Mobile Suit Victory Gundam
- Mobile Suit Zeta Gundam
- Mobile Suit Zeta Gundam: A New Translation I - Heir to the Stars
- Mobile Suit Zeta Gundam: A New Translation II - Lovers
- Mobile Suit Zeta Gundam: A New Translation III - Love Is the Pulse of the Stars
- Möbius Dust
- Modern Love Tokyo
- Moekan The Animation
- Moero! Top Striker
- Moeru! Oniisan
- Moeru! Oniisan (OVA)
- Moetan
- Moeyo Ken
- Moeyo Ken TV
- Moffun to Issho
- Mojakou
- Mokei Senshi Gunpla Builders Beginning G
- Mokke
- Mokke Special
- Moldiver
- Momo e no Tegami
- Momo Kyun Sword
- Momochi-san Chi no Ayakashi Ouji
- Momoiro Sisters
- Momokuri
- Momokuri (TV)
- Mondaiji-tachi ga Isekai kara Kuru Sou Desu yo?
- Mondaiji-tachi ga Isekai kara Kuru Sou Desu yo? OVA
- Mondaiji-tachi ga Isekai kara Kuru Sou Desu yo?: Onsen Manyuuki
- Monkateu
- Monkey Gang Anarchy
- Monkey Magic
- Monkey Punch: Manga Katsudou Daishashin
- Monkey Punch: Manga Katsudou Daishashin - Crime Mate Special
- Monkey Turn
- Monkie Kid
- Monkie Kid Embrace Your Destiny
- Monkie Kid Season 2
- Monkie Kid Season 3
- Monkie Kid Season 4
- Mono no Kamisama Cocotama
- Monochrome Factor
- Monogatari Series: Off & Monster Season
- Monogatari Series: Second Season
- Mononogatari
- Mononogatari 2nd Season
- Mononoke
- Mononoke Hime
- Mononoke Movie
- Mononoke Movie: Karakasa
- Monster
- Monster Hunter Stories: Ride On
- Monster Musume no Iru Nichijou
- Monster Musume no Iru Nichijou OVA
- Monster Musume no Iru Nichijou: Hobo Mainichi ◯◯! Namappoi Douga
- Monster Musume no Iru Nichijou: Hobo Mainichi OO! Namappoi Douga
- Monster Musume no Oishasan
- Monster Pet Evolution Season 2
- Monster Rancher
- Monster Sonic! D'Artagnan no Idol Sengen
- Monster Strike
- Monster Strike 2
- Monster Strike the Animation
- Monster Strike The Movie: Hajimari no Basho e
- Monster Strike the Movie: Lucifer - Zetsubou no Yoake
- Monster Strike: Kieyuku Uchuu-hen
- Monster Strike: Mermaid Rhapsody
- Monster Strike: Rain of Memories
- Monsters vs. Aliens
- Monsters vs. Aliens (TV)
- Monsters: Ippyaku Sanjou Hiryuu Jigoku
- Moon Slayer
- Moonlight Mile 1st Season: Lift Off
- Moonlight Mile 2nd Season: Touch Down
- Moonrise
- Moretsu Pirates
- Mori no Yousei: Kinoko no Musume
- Morita-san wa Mukuchi
- Morita-san wa Mukuchi (OVA)
- Morita-san wa Mukuchi Specials
- Mortal Bone Demon Slayer: Heavenly Abyss
- Moshi Juexing Zhi Suyuan
- Moshidora
- Mother: Saigo no Shoujo Eve
- Motto To Love-Ru
- Motto! Majime ni Fumajime Kaiketsu Zorori
- Motto! Majime ni Fumajime Kaiketsu Zorori 2nd Season
- Motto! Majime ni Fumajime Kaiketsu Zorori 3rd Season
- Motto! Ojamajo Doremi
- Motto! Ojamajo Doremi: Kaeru Ishi no Himitsu
- Mou Hitotsu no Mirai wo.
- Mou Ippon!
- Mouretsu Pirates
- Mouretsu Pirates: Abyss of Hyperspace
- Mouryou no Hako
- Mouse
- Mouse Story: The Adventures of George and Gerald
- Mousou Dairinin
- Mousou Kagaku Series: Wandaba Style
- Moyashimon
- Moyashimon – Microbe Theatre Deluxe
- Moyashimon Returns
- Mr. Captain, Be Gentle
- Mr. Captain, Be Gentle 2nd Season
- Mr. Pen Pen
- Mr. Zombie
- Mu Wang Zhi Wang: Han Tie Dou
- Mu Wang Zhi Wang: Qi Lin Jue
- Mu Wang Zhi Wang: Xuan Guan Si
- Mu Wang Zhi Wang: You Du Zhan
- Mudai
- Mugen no Juunin: Immortal
- Mugen no Ryvius
- Mugen no Ryvius: Illusion
- Mugyutto! Black Clover
- Muhyo to Rouji no Mahouritsu Soudan Jimusho
- Muhyo to Rouji no Mahouritsu Soudan Jimusho 2nd Season
- Mujaki no Rakuen
- Mujigen Hunter Fandora
- Muku no Ki no Hanashi
- Mulan
- Mulan II
- Mum, Run, Dad is Coming
- Munou na Nana
- Munou na Nana Mini Anime
- Munto
- Munto 2: Beyond the Walls of Time
