| Name | Roles |
|---|
| Ariel, Aimee | Performer |
| Ariel, Jarusha | Performer |
| Arika, Jun | Performer |
| Arilla, Ricard | Performer (2) |
| Ariosto, Janet | Performer |
| Ariosto, Maurizio | Performer |
| Ariotti, Philippe | Performer |
| Aris, Jonathan | Performer |
| Aristakes | Music, Lyrics |
| Aristides, John | Performer (3) |
| Ariza, Patricia | Performer |
| Arizcuren, Lujan | Performer |
| Arizmendi, Patricia | Performer |
| Arjona, Joaquín | Performer (2) |
| Arkell, Reginald | Lyrics (4), Book |
| Arkin, Adam | Performer (2) |
| Arkin, Alan | Performer (3) |
| Arkin, Eddie | Producer, Liner_Notes |
| Arkin, Juki | Performer |
| Arkin, Patricia | Performer |
| Arlen, Albert | Music (3), Lyrics |
| Arlen, Harold | Music (327), Lyrics (15), Music_Director, Liner_Notes (2), Performer (22) |
| Arlen, Harry | Music |
| Arlen, Howard | Music |
| Arlen, Jerry | Conductor (2), Music_Director |
| Arlen, Roxanne | Performer (2) |
| Arlen, Sam | Producer (2), Liner_Notes, Performer |
| Arlen, Steve | Performer (2) |
| Arlinghaus, Nicole | Performer |
| Arlington, Billy | Performer |
| Arliss, Leslie | Book |
| Arlon, Deke | Producer |
| Armadillo String Quartet | Performer |
| Armand, Alice | Performer |
| Armand, Clara | Lyrics, Book |
| Armand, Kautzky | Performer |
| Armato, Antonina | Music, Lyrics |
| Armato, Antonnia | Music, Lyrics |
| Armbruster, Robert | Orchestrations, Conductor (11) |
| Armen, Kay | Performer (5) |
| Armendariz, Manuel | Performer (2) |
| Armengol, Mario Ruiz | Conductor (4) |
| Armengol, Nicolás | Performer |
| Armes, David | Performer |
| Armfield, Paul | Performer |
| Armfield, Stuart | Performer |
| Armiger, Martin | Music (3), Orchestrations, Vocal_Arrangements, Producer (2), Performer |
| Armin, Gerald | Performer |
| Armin, Robert | Lyrics, Book (2), Producer (3), Performer (2) |
