- Area 88 (TV)
- Arei's Mirror ~ Way to the Virgin Space
- Argento Soma
- Argento Soma Special
- Argevollen
- Argonavis from BanG Dream!
- Aria the Animation
- Aria the Avvenire
- Aria the Benedizione
- Aria the Crepuscolo
- Aria the Natural
- Aria the Origination
- Aria The Origination Picture Drama
- Aria the Origination: Sono Choppiri Himitsu no Basho ni...
- Aria the OVA: Arietta
- Aria the Scarlet Ammo
- Aria the Scarlet Ammo AA
- Aria the Scarlet Ammo Special
- Ariel Deluxe
- Ariel Visual
- Arifureta Shokugyou de Sekai Saikyou 2nd Season
- Arifureta: From Commonplace to World's Strongest
- Arifureta: From Commonplace to World's Strongest
- Arifureta: From Commonplace to World's Strongest Season 3
- Arifureta: From Commonplace to World's Strongest Season OVA
- Arion
- Arjuna
- Ark Nine
- Arknights Animation: Prelude to Dawn
- Arknights: Holy Knight Light
- Arknights: Perish in Frost
- Arknights: Rise from Ember
- Armed Blue Gunvolt
- Armed Girl's Machiavellism
- Armed Librarians: The Book of Bantorra
- Armitage III
- Armitage III: Dual-Matrix
- Armitage III: Poly-Matrix
- Armor Shop for Ladies & Gentlemen
- Armored Fleet Dairugger XV
- Armored Trooper Votoms
- Armored Trooper Votoms: Alone Again
- Armored Trooper Votoms: Pailsen Files
- Armored Trooper Votoms: Pailsen Files The Movie
- Armored Trooper Votoms: Phantom Arc
- Armored Trooper Votoms: Shining Heresy
- Arms Alchemy
- ARP Backstage Pass
- ARP Backstage Pass Special
- Arpeggio of Blue Steel -Ars Nova-
- Art of Fighting
- Arte
- Artiswitch
- Aru Tabibito no Nikki
- Aru Tabibito no Nikki Specials
- Arve Rezzle: Kikaijikake no Yousei-tachi
- As a Reincarnated Aristocrat, I'll Use My Appraisal Skill to Rise in the World
- As a Reincarnated Aristocrat, I'll Use My Appraisal Skill to Rise in the World Season 2
- As Miss Beelzebub Likes.
- Asa made Jugyou Chu!
- Ascendance of a Bookworm
- Ascendance of a Bookworm Part 2
- Ascendance of a Bookworm Season 2
- Ascendance of a Bookworm Season 3
- Ascendance of a Bookworm Season 3 Recap
- Ascendance of a Bookworm: Side Story
- Ashiaraiyashiki no Juunin-tachi.
- Ashita no Joe (Movie)
- Ashita no Joe 2 (Movie)
- Ashita no Joe Pilots
- Asobi Asobase OVA
- Asobi Asobase Specials
- Asobi Asobase: Workshop of Fun
- Assassination Classroom
- Assassination Classroom Second Season
- Assassination Classroom The Movie: 365 Days
- Assassination Classroom: Meeting Time
- Assassins Pride
- Assault Lily: Bouquet
- Assault Lily: Fruits
- Assemble Insert
- Astarotte's Toy
- Astarotte's Toy EX
- Asteroid in Love
- Asteroid in Love Episode 6.5
- Astra Lost in Space
- Astral Sutra
- Astral Sutra 2nd Season
- Astro Boy
- Astro Boy (1980)
- Astro Boy (2003)
- Astro Note
- Astroganger
- Asura Cryin
- Asura Cryin
- At The Mercy of The Sky
- At The Mercy of The Sky Specials
- Atasha Kawajiri Kodama Da yo: Dangerous Lifehacker no Tadareta Seikatsu
- Atashin'chi Next
- Atashinchi: The 3D Movie
- Atelier Ryza: Ever Darkness & the Secret Hideout The Animation
- Atom: The Beginning
- Atri -My Dear Moments-
- Attack No.1
- Attack on Titan
- Attack on Titan OVA
- Attack on Titan Season 2
- Attack on Titan Season 3
- Attack on Titan: Chronicle
- Attack on Titan: Crimson Bow and Arrow
- Attack on Titan: Final Season, Part 1
- Attack on Titan: Final Season, Part 2
- Attack on Titan: Junior High
- Attack on Titan: Lost Girls
- Attack on Titan: No Regrets
- Attack on Titan: The Final Season Part 3
- Attack on Titan: The Last Attack
- Attack on Titan: Wings of Freedom
- Attack on Tomorrow
- Attacker You!
- Aura Battler Dunbine
- Aura: Koga Maryuin's Last War
- Ave Mujica: The Die is Cast
- Avenger
- Awkward Senpai
- Aya to Majo
- Ayaka: A Story of Bonds and Wounds
- Ayakashi Triangle
- Ayakashi Triangle Special Recap
- Ayakashi: Japanese Classic Horror
- Azumanga Daioh: The Animation
- Azumanga Web Daioh
- Azur Lane
- Azur Lane: Bisoku Zenshin!
- Azure Nihon Data Center
- Azusa Will Help!
