| Name | Roles |
|---|---|
| Argue, David | Performer |
| Argüelles, Esperanza | Performer |
| Argyl, Pearl | Performer |
| Ari, Han | Performer (2) |
| Ari, Robert | Performer (2) |
| Aria, Honami | Performer |
| Aria, Kajou | Performer |
| Arián | Lyrics, Performer |
| Arianna | Performer |
| Ariano, Alan | Performer (2) |
| Arias, Alfredo | Music (2), Lyrics (3), Book (2), Performer |
| Arias, Cecilia | Performer (2) |
| Arias, Joey | Book, Performer |
| Arias, Lupita Pérez | Performer |
| Arias, Maripaz | Performer |
| Arias, Norbert | Performer |
| Arias, Paola | Performer |
| Arias, Yancey | Performer (4) |
| Ariel, Aimee | Performer |
| Ariel, Jarusha | Performer |
| Arika, Jun | Performer |
| Arilla, Ricard | Performer (2) |
| 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 (3) |
| 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 (313), 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 |