- AMAIM Warrior at the Borderline
- Amanchu!
- Amanchu! Advance
- Amanchu!: Yakusoku no Natsu to Atarashii Omoide no Koto
- Amatsuki
- Amazing Nurse Nanako
- Amazing Stranger
- Ambassador Magma
- Ame to Shoujo to Watashi no Tegami
- Ame-Con!!
- Ame-iro Cocoa: Side G
- Amefuri Kozou
- Ameku M.D.: Doctor Detective
- Amnesia
- Amnesia OVA
- Amon Saga
- Amon: Devilman Mokushiroku
- An Archdemon's Dilemma: How to Love Your Elf Bride
- Ancient Girl's-Frame
- Ancient Lords
- Ancient Myth
- And Yet The Town Moves
- And you thought there is never a girl online?
- Android Announcer Maico 2010
- Android Kikaider
- Andromeda Stories
- Anemone: Eureka Seven Hi-Evolution
- Ange Vierge
- Angel Beats!
- Angel Beats! Specials
- Angel Beats!: Another Epilogue
- Angel Cop
- Angel Densetsu
- Angel Heart
- Angel Links
- Angel Tales
- Angel Tales
- Angel's 3Piece!
- Angel's Drop
- Angel's Egg
- Angel's Feather
- Angels of Death
- Angolmois: Record of Mongol Invasion
- Ani ni Tsukeru Kusuri wa Nai! 2
- Ani*Kuri15
- Anila to Cocora
- Anima Yell!
- Anima Yell! Ouen Douga
- Animal Treasure Island
- Animation Runner Kuromi
- Animation Runner Kuromi 2
- Anime de Training! Ex
- Anime de Training! Xx
- Anime Kabibarasan
- Anime-Gataris
- Anisava
- Anju to Zushioumaru
- Anne of Green Gables
- Anne Shirley
- Anne-Happy
- Ano Natsu de Matteru: Bokutachi wa Koukou Saigo no Natsu wo Sugoshinagara, Ano Natsu de Matteiru.
- anohana: The Flower We Saw That Day
- anohana: The Flower We Saw That Day: The Movie
- Anonymous Noise
- Another
- Another Journey to the West
- Another: The Other
- Anpanman: Blacknose and the Magical Song
- Anpanman: Nanda and Runda From the Star of Toys
- Anpanman: Purun, the Soap Bubble
- Anpanman: Revive Banana Island!
- Anpanman: Shine! Kulun and the Stars of Life
- Anpanman: Star-Spirited Dollie
- Anpanman: The Adventure of Happie
- Anpanman: The Secret of Fairy Rin-Rin
- Anpanman: Twinkle! Princess Vanilla of Ice Cream Land
- Ansatsu Kyoushitsu 2nd Season: Kagaijugyou-hen
- Antidote
- AntiMagic Academy 35th Test Platoon
- Antique Bakery
- Any and All Living Things
- Anyamal Tantei Kiruminzoo
- Anyway, I'm Falling in Love with You.
- Ao Ashi
- Ao Haru Ride OVA
- Ao no Exorcist Movie Special
- Ao no Exorcist: Kyoto Fujouou-hen OVA
- Ao no Exorcist: Ura Ex
- Ao-chan Can't Study!
- Aoharu x Kikanjuu: Kemono-tachi no Senjou da na!
- Aoharu x Machinegun
- Aoi Hitomi no Onnanoko no Ohanashi
- Aoi Kioku: Manmou Kaitaku to Shounen-tachi
- Aokana: Four Rhythm Across the Blue
- Aoki Hagane no Arpeggio: Ars Nova Cadenza
- Aoki Hagane no Arpeggio: Ars Nova DC
- Aoki Honoo
- Aooni The Blue Monster
- Ape Escape
- Apocalypse Bringer Mynoghra
- Apocalypse Day
- Apocalypse Hotel
- Apocalypse Zero
- Apotheosis
- Apotheosis 2nd Season
- APPARE-RANMAN!
- Appleland Story
- Appleseed
- Appleseed (Movie)
- Appleseed Alpha
- Appleseed XIII
- Appleseed XIII Remix Movie 1: Yuigon
- Appleseed XIII Remix Movie 2: Yogen
- Appleseed: Ex Machina
- Aquarian Age: Sign for Evolution
- Aquarion
- Aquarion Evol
- Aquarion Logos
- Aquarion Movie: Ippatsu Gyakuten-hen
- Aquarion: Myth of Emotions
- Aquatope of White Sand
- Ar Tonelico: Sekai no Owari de Utai Tsuzukeru Shoujo
- Arabian Nights: Sinbad's Adventures
- Arad Senki: Slap Up Party
- Aragne: Sign of Vermillion
- Araiguma Calcal-dan
- Arakawa Under the Bridge
- Arakawa Under the Bridge x Bridge
- Arashi no Yoru ni
- Arata: The Legend
- Aratanari Fukaki Ao
- Arc the Lad
- Arcade Gamer Fubuki
- Arcade Gamer Fubuki Extra
- Arcana Famiglia: Capriccio - stile Arcana Famiglia
- Are You Lost?
