Conductors
- Aadland, Eivind
- Abalian, Boris
- Abbado, Claudio
- Abbado, Michelangelo
- Abbado, Roberto
- Abberger, John
- Abbott, Graham
- Abdullah, Kazem
- Abdullayev, Kamal
- Abdullayev, Rauf
- Abe, Kanako
- Abeele, Hendrik Vanden
- Abel, Yves
- Abelin, Etienne
- Abell, David Charles
- Abendroth, Hermann
- Abene, Michael
- Åberg, Sven
- Abraham, Daniel E.
- Ábrahám, Márta
- Abrams, Teddy
- Abrath, Edwig
- Abravanel, Maurice
- Abyazov, Rustem
- Accardo, Salvatore
- Acciai, Giovanni
- Achten, Nicolas
- Ackermann, Otto
- Acklin, Amy
- Acocella, Luciano
- Ács, János
- Actman, Irving
- Adámek, Ondřej
- Adams Prince, Charles
- Adams, Bernard
- Adams, F. John
- Adams, John
- Adams, Lydia
- Adamus, Jan Tomasz
- Addison, Tod
- Ad-El, Shalev
- Adelmann, Dale
- Adelson, Michael
- Adès, Thomas
- Adey, Christopher
- Adigezalov, Vasif
- Adigezalov, Yalchin
- Adkins, H.E.
- Adler, Frederic Charles
- Adler, Kurt Herbert