- Mokke Specials
- Moldiver
- Momentary Lily
- Momentary Lily: Tsuzuiteiku Kappou, Kappou!
- Momo e no Tegami
- Momo Kyun Sword
- Momochi-san Chi no Ayakashi Ouji
- Momoiro Sisters
- Momoko, Kaeru no Uta ga Kikoeru yo.
- Momokuri
- Momotarou: Umi no Shinpei
- Mon-Soni!: Senritsu no Lucifer, Tada Hitotsu no Hajimari no Uta
- Mondaiji-tachi ga Isekai kara Kuru Sou Desu yo?
- Mondaiji-tachi ga Isekai kara Kuru Sou Desu yo?: Onsen Manyuuki
- Mono
- Monogatari no Aru Satou
- Monogatari Series: Off & Monster Season
- Monogatari Series: Off & Monster Season SP
- Monogatari Series: Second Season
- Mononogatari
- Mononogatari 2nd Season
- Mononoke
- Mononoke Hime
- Mononoke Movie: Dai Ni Shou - Hinezumi
- Mononoke Movie: Karakasa
- Monster
- Monster Farm: Enbanseki no Himitsu
- Monster Farm: Legend e no Michi
- Monster Hunter Stories: Ride On
- Monster Musume no Iru Nichijou
- Monster Musume no Oishasan
- Monster Strike
- Monster Strike Anime
- Monster Strike Anime: Kieyuku Uchuu-hen
- Monster Strike The Animation
- Monster Strike the Movie: Lucifer - Zetsubou no Yoake
- Monster Strike: Deadverse Reloaded
- Monsters: Ippyaku Sanjou Hiryuu Jigoku
- Monsuto Anime: Katsubou no Hate no Risoukyou
- Moonlight Mile 1st Season: Lift Off
- Moonlight Mile 2nd Season: Touch Down
- Moonrise
- Mori no Densetsu
- Morita-san wa Mukuchi
- Morita-san wa Mukuchi.
- Morita-san wa Mukuchi. 2
- Morita-san wa Mukuchi. Specials
- Motto To LOVE-Ru
- Motto! Ojamajo Doremi
- Motto! Ojamajo Doremi: Kaeru Ishi no Himitsu
- Mou Ippon!
- Mouretsu Pirates
- Mouretsu Pirates: Abyss of Hyperspace
- Mouryou no Hako
- Mouryou no Hako: Chuuzenji Atsuko no Jikenbo - Hako no Yurei no Koto
- Mouryou Senki Madara
- Mouse
- Mousou Dairinin
- Moyashimon
- Moyashimon Returns
- Mr. Pen Pen
- Muchuu sa, Kimi ni.
- Mugen no Juunin
- Mugen no Juunin: Immortal
- Mugen no Ryvius
- Mugen Shinshi: Bouken Katsugeki-hen
- Mugyutto! Black Clover
- Muhyo to Rouji no Mahouritsu Soudan Jimusho
- Muhyo to Rouji no Mahouritsu Soudan Jimusho 2nd Season
- Mujigen Hunter Fandora
- Mujin Wakusei Survive
- Munou na Nana
- Munou na Nana Mini Anime
- Murai no Koi
- Muramasa
- Murder Princess
- Murenase! Seton Gakuen
- Murenase! Seton Gakuen Special
- Musaigen no Phantom World
- Musaigen no Phantom World: Limitless Phantom World
- Musaigen no Phantom World: Mizutama no Kiseki
- Musashino!
- Musashino! Bonus
- Musekinin Galaxy☆Tylor
- Musekinin Kanchou Tylor
- Musekinin Kanchou Tylor OVA
- Mushen Ji
- Mushi-Uta
- Mushibugyou
- Mushibugyou OVA
- Mushikaburi-hime
- Mushikago no Cagaster
- Mushishi
- Mushishi Zoku Shou
- Mushishi Zoku Shou 2nd Season
- Mushishi Zoku Shou: Suzu no Shizuku
- Mushishi: Hihamukage
- Mushoku no Eiyuu: Betsu ni Skill Nanka Iranakatta n da ga
- Mushoku Tensei II - Isekai Ittara Honki Dasu Specials - Episode 0
- Mushoku Tensei II: Isekai Ittara Honki Dasu
- Mushoku Tensei II: Isekai Ittara Honki Dasu Part 2
- Mushoku Tensei: Isekai Ittara Honki Dasu
- Mushoku Tensei: Isekai Ittara Honki Dasu Part 2
- Mushoku Tensei: Isekai Ittara Honki Dasu Special
- Mushrambo
- Mutafukaz
- Muteki Choujin Zanbot 3
- Muteki Kanban Musume
- Muteki Koujin Daitarn 3
- Muteki Robo Trider G7
- Muteking the Dancing Hero
- Mutsu Enmei Ryuu Gaiden: Shura no Toki
- Muu no Hakugei
- Muumindani no Suisei
- Muv-Luv Alternative
- Muv-Luv Alternative 2nd Season
- Muv-Luv Alternative: Total Eclipse
- My Demon Tyrant and Sweet Baby
- My Demon Tyrant and Sweet Baby Season 2
- My Demon Tyrant and Sweet Baby Season 3
- My Demon Tyrant and Sweet Baby Season 4
- My Demon Tyrant and Sweet Baby Season 5
- My Home Hero
- My Melody & Kuromi
- Myself; Yourself
- Na Nare Hana Nare
- Nabari no Ou
- Nagareboshi Lens
- Nagasaki 1945: Angelus no Kane
- Nagasarete Airantou
- Nagato Yuki-chan no Shoushitsu
- Nagato Yuki-chan no Shoushitsu: Owarenai Natsuyasumi
- Nageki no Bourei wa Intai shitai
- Nageki no Bourei wa Intai shitai Part 2
- Nagi no Asu kara
- Naisho no Tsubomi
