A
- A, Miraijin
- A1
- Aamodt, Ingunn
- Aaron, Jason
- Aaron, Rachel
- Aaronovitch, Ben
- Aas, Martin
- Abbott, Edwin A
- Abdullah, Chelsea
- Abe, Akana
- Abe, Julie
- Abe, Kobo
- Abercrombie, Joe
- Abitan, Benjamin
- Abnett, Dan
- Abraham, Daniel
- Abrego, Rii
- Achdé
- Ackerman, Elliot
- Ackerman, Spencer
- Acks, Alex
- Adachitoka
- Adams, Douglas
- Adams, Guy
- Adams, Jeremy
- Adams, Katherine J.
- Adams, Meg
- Adams, Neal
- Addison, Katherine
- Adeyemi, Tomi
- Adjei-Brenyah, Nana Kwame
- Adolfsson, Mattias
- Adolphson, Joel
- Aesop
- Afanasyev, Alexander
- Afro
- Agasawa, Kocha
- Agitogi, Akumi
- Aguirre, Ann
- Ahdieh, Renée
- Ahiers, Sarah
- Ahlbom, Jens
- Ahlström, Patrick
- Ahmed, S.
- Ahmed, Saladin
- Ahonen, JP
- Aickman, Robert
- Aida, Yu
- Aidairo
- Aimoto, Sho
- Ainana, Hiro
- Aio, Toji
- Aisato, Lisa
- Aiskylos
- Aizawa, Daisuke
- Ajiichi
- Ajvide, Mia
- Akabane, Zero
- Akagishi, K
- Akai, Matsuri
- Akaike, Sou
- Akamatsu, Ken
- Akasaka, Aka
- Akata, Itsuki
- Akatsuki, Mika
- Akatsuki, Natsume
- Akatsuki, Natsumi
- Akeko, Suzu
- Aki, Taka
- Akiakane
- Akikaze, Hiiro
- Akino, Sora
- Akiyama, Yoko
- Akizuki, Sorata
- Aktipis, Athena
- Akutagawa, Ryunosuke
- Akutami, Gege
- Al-Khalili, Jim
- Alam, Rumaan
- Alameda, Courtney
- Albert, Edoardo
- Albert, Melissa
- Albertsson, Sofia
- Albo, Mike
- Alcott, Louisa May
- Alderman, Naomi
- Aldiss, Brian
- Aldiss, Brian W
- Aldrich, Jef
- Alesmark, Caroline
- Alexander, Brooks
- Alexander, K C
- Alexander, Lloyd
- Algoud, Albert
- Alighieri, Dante
- Allan, Nina
- Allan, Sophie
- Allcock, Chris
- Allen, Rachael
- Allen, Sarah Addison
- Allie, Scott
- Alligo, Pietro
- Allston, Aaron
- Almond, David
- Alohomora! Podcast
- Alphatart
- Alston, B. B.
- Alt, Matt
- Altergott, Rick
- Alterici, Natasha
- Althoff, Johan
- Alvtegen, Albin
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- Amaichi, Esora
- Aman, Robert
- Amano, Hugh
- Amano, Shinobu
- Amano, Shiro
- Amano, Yoshitaka
- Amekawa, Touko
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- Ammitsu
- Amos, Evan
- Anashin
- Andelfinger, Nicole
- Anders, Charlie Jane
- Andersen, H C
- Andersen, Hans Christian
- Anderson, Justin Lee
- Anderson, Kevin J
- Anderson, Kevin J.
- Anderson, Lily
- Anderson, Melanie R.
- Anderson, Poul
- Anderson, Ray
- Anderson, Robert Tuesley
- Anderson, Taylor
- Anderson, Tim
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- Andersson, Emma
- Andersson, Jonas
- Andersson, Kim W
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- Andou, Hideyoshi
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- Andrews, Claire M.
- Andrews, Ilona
- Andrews, Kaare
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- Andry, David DB
- Angeles, Janella
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- Anthropy, Anna
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- Antstudio
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- Aoi, Toshi
- Aoiro, Maro
- Aoki, Kazuhiko
- Aoki, Ryka
- Aoki, Spica
- Aonoshimo
- Aoyama, Gosho
- Aoyama, Michiko
- Aozaki, Ritsu
- Apel, August
- Aperlo, Peter
- Appearacing
- Appel, John
- Appleseed, Walburga
- Arai, Shou
- Arakawa, Hiromu
- Araki, Hirohiko
- Arawi, Keiichi
- Arbeaux, Jules
- Archer, Brooke
- Archer, J H
- Archer, Peter
- Arcudi, John
- Arden, Katherine
- Arend, Nicole
- Arii, Memeko
- Arikawa, Hiro
- Ariki, Eiko
- Aristotle
- Arleston
- Armentrout, Jennifer L.
- Armfield, Julia
- Armstrong, Kate J.
- Armstrong, Kelley
- Arnett, Mindee
- Arnold, David
- Arnold, Luke John Matthew
- Arnold, Matthew
- Aronovitz, Michael
- Arpiainen, Johanna
- Arra, Kelly P
- Arrhenius, Ingela P
- Arro, Lena
- Arthur, Sarah
- Aruga, Rie
- Arvidsson, Lina
- Aryan, Stephen
- Asada, Hiroyuki
- Asagiri, Kafka
- Asakura, Akinari
- Asami, Yo
- Asanae, Arata
- Asano, Atsuko
- Asano, Inio
- Asato, Asato
- Ascher, Aurora
- ASCII Media Works
- Ashen, Stuart
- Asher, Neal
- Ashinano, Hitoshi
- Ashing-Giwa, Kemi
- Ashton, Edward
- Ashworth, Jeff
- Asimov, Isaac
- Askwith, H. F.
- Asmus, James
- Aso, Haro
- Aso, Shuichi
- Asptjärn, Åsa
- Aspviken, Lowe
- Aster, Alex
- Atalla, Rachelle
- Atamoto
- Ate
- Atherton, Isabel
- Atkinson, Richard
- Atkinson, Sam
- Atkinson, Stuart
- Ato, Rie
- Atobe, Mahito
- Atsuko, Yusen
- Atwater, Olivia
- Atwood, Margaret
- Aubin, Antoine
- Auer, Margit
- August, John
- Augustyn, Brian
- Ault, Diana
- Auseon, Andrew
- Austen, Jane
- Aveyard, Victoria
- Awad, Mona
- Axell, J. S.
- Axelrod, Jadzia
- Aya, Hosoi
- Ayala, Vita
- Ayatsuji, Yukito
- Ayoade, Richard
- Ayuko
- Azuma, Kiyohiko
- Azuma, Kyotaro
- Azumi, Kyohei
- Azzarello, Brian