- Adamcyk, David
- Adams, John
- Adriaansz, Peter
- Ahvenniemi, Rebecka Sofia
- Aitken, Robert
- Albéniz, Isaac
- Albright, William
- Alsina, Carlos Roqué
- Álvarez, Javier
- Amar, Thierry
- Ambrosini, Claudio
- Amy, Gilbert
- Anandan, Ganesh
- Anderson, Fortner
- Anderson, Julian
- Anderson, William Henry
- Andriessen, Louis
- Angelova, Vania
- Anhalt, István
- anonyme
- Antheil, George
- Aperghis, Georges
- Applebaum, Mark
- Arcuri, Serge
- Arditto, Cecilia
- Ariyan, Ashot
- Armenian, Raffi
- Arnaoudov, Gheorghi
- Arnold, Martin
- Arsenault, Hugo
- Arseneault, Raynald
- Astapov, Eugene
- Audran, Edmond
- Austin, Kevin
