Series Beginning with A
- Another
- Anpan (Renzoku TV Shosetsu)
- Anpanman
- Anrakuisu Tantei
- Ansangu Shinderera Byoin Yakuzaishi Aoi Midori
- Answer
- Anyamaru Tante Kirumin Zu
- Anyway, I'm Falling in Love with You.
- Ao Haru Ride (Blue Spring Ride)
- Ao no Orchestra
- Ao Oni
- Aoashi
- Aogeba Totoshi
- Aoharu x Machinegun
- Aoi Bungaku Series
- Aoi Hana
- Aoi Hono
- Aoi Sekai no Chushin de
- Aoi Umi no Tristia
- Aokana: Four Rhythm Across the Blue
- Apocalypse Bringer Mynoghra
- Apocalypse Hotel
- Apoyan
- Appare-Ranman!
- Appleseed
- April Showers Bring May Flowers.
- Aquarian Age
- Ar nosurge
- Ar tonelico Series
- Arabiki Dan
- Araburu Kisetsu no Otome Domo Yo.
- Arad Senki - Slap Up Party -
- ARAGNE -Sign of Vermillion-
- Arakawa Under the Bridge
- Arasa-chan
- Arashi no Yoru ni
- Arata: The Legend (Arata Kangatari)
- Arc The Lad
- Arcade Gamer Fubuki
- Arcana Familia
- ARDEN/Jewelry box
- Are you Alice?
- Are You Teddy?
- Area no Kishi
- ARENA 37 Degree
- ARGENTO SOMA
- Argevollen
- Argonavis from BanG Dream!
- Aria
- Aria the Scarlet Ammo
- Arianrhod Series (RPG)
- Arifureta Kiseki
- Arifureta: From Commonplace to World's Strongest
- Arjuna
- ARK/Jewelry box
- ARK: Series
- Arknights
- Armitage III
- Armored Core
- Armored Trooper Votoms
- Arms
- Around 40 - Chumon no Ooi Onnatachi
- ARP Backstage Pass
- Arpeggio of Blue Steel
- Ars no Kyojuu
- Art Camion Geijutsuden
- Arte
- Aru Hi, Ahiru Bus
- As a Reincarnated Aristocrat, I'll Use My Appraisal Skill to Rise in the World
- As Miss Beelzebub Likes (Beelzebubjyo no Okinimesu mama.)
- as the moon, so beautiful.
- Asa Ga Kita
- Asa Made Jugyou Chu!
- Asagiri no Miko
- Asahi Geino
- Asakiyumemishi
- Asakusa Fukumaru Ryokan
- Asari-chan
- Asatte no Hoko
- Ashi Girl
- Ashita no Joe
- Ashita no Kita Yoshio
- Ashita no Nadja (Tomorrow's Nadja)
- Ashita, Sekai Ga Owaru Toshite Mo
- Asian Wave Fa-ryu
- Asobi Asobase
- Asobi ni Iku yo!
- Asobi no Kankei
- Asobot Senki Goku
- Assassin's Pride
- Assassination Classroom (Ansatsu Kyoshitsu)
- Assault Girls
- AssaultLily
- Astro Boy (Tetsuwan Atom)
- Astro Dive
- Astro Note
- Asu no Hit melody
- Asu no Yoichi!
- Asuko Match!
- Asunaro sansannanabyoushi