Conductors
- Adler, Peter Herman
- Adler, Samuel
- Adolphe, Bruce
- Adorján, Gabriel
- Adriano,
- Adrien, Jean-Marie
- Adsit, Glen
- Aebi-Borisov, Otto
- Aeschbacher, Matthias
- Aeschbacher, Niklaus
- Afanasyev, Alexander
- Afkham, David
- Afonsky, N. P.
- Agafita, Mihail
- Agafonnikov, Igor
- Agarkov, Oleg
- Agiman, Daniele
- Agler, David
- Agnew, Paul
- Agopian, Edmond
- Agoult, Raymond
- Ågren, Sofia
- Ågren, Solvieg
- Agrest, Mikhail
- Agronsky, Vladimir
- Agsterribe, Frank
- Agudin, Facundo
- Ahlberg, Carl
- Ahmann, Philipp
- Ahronovitch, Yuri
- Aimard, Pierre-Laurent
- Aitken, Robert
- Ajemian, Kevork
- Akatsu, Makoto
- Åkesson, Hans
- Akigishi, Hirohisa
- Akiki, Bassem
- Akiyama, Emi
- Akiyama, Kazuyoshi
- Akulov, Yevgeny
- Ala-Pollanen, Kari
- Alapont, Sergio
- Alarcón, Leonardo García
- Albarello, Stefano
- Albarosa, Nino
- Alber, Jonas
- Alber, Michael
- Albergoni, Angelo
- Albert, Herbert
- Albert, István