| Afro-American Folk Song Singers |
| American Quartet (Early 1900s lineup) |
| American Quartet |
| Harold E. Anderson |
| Harold E. Anderson and Alfred Edström |
| Folke Andersson |
| Anonymous |
| Apollo Jubilee Quartet |
| Arion Brooklyn |
| Charles A. Asbury |
| Sam Ash |
| Harry Anthony |
| John Yorke AtLee |
| Gene Austin and Hit of the Week Orchestra |
| Avon Comedy Four |
