| Atalides, Stratos | 1955 | 1 | vocalist | |
| Atalie, Princess | 1929 | 2 | soprano vocal | |
| Atanassoff, Ilia | 1927 | 2 | bagpipes | |
| Atcher, Bob | 1939 - 1949 | 77 | vocalist, guitar, composer, lyricist, songwriter, lead vocal | |
| Atcher, Randy | 1940 - 1947 | 23 | vocalist, lead guitar, Musical group, guitar, mandolin, composer, lyricist | |
| Atcheson, Boddy R. | 1946 | 4 | violin | |
| Atchison, John Burch | 1915 | 1 | lyricist | |
| Atchison, Shelby. See: | | | See reference | |
| Atchison, Shelby. See: Atchison, Tex | | | See reference | |
| Atchison, Tex | 1933 - 1955 | 219 | violin, vocalist, lead vocal, composer, songwriter, lyricist, yodeling | |
| Atco Quartet, The | 1927 | 2 | Vocal group | |
| Atella, Benito R. | 1940 | 1 | composer | |
| Aten, Maurice | 1928 | 4 | guitar | |
| Atha, Ethlyn | 1941 | 1 | songwriter | |
| Athanasiadis, And. (Αθανασιάδης, Ανδ.) | 1931 - 1938 | 2 | vocalist | |
| Athanasios Makedonos Orchestra | 1927 | 8 | Musical group | |
| Athanasiou, Av. | 1929 | 6 | vocalist | |
| Athena, A. | 1938 | 1 | vocalist | |
| Athēnaika Chorōdia (Αθηναικα Χορωδια) | 1931 | 2 | Vocal group | |
| Athenian Chorus. See: Athēnaika Chorōdia (Αθηναικα Χορωδια) | | | See reference | |
| Athenian Mandolin Quartet. See: Alessios de Filippis Mandolin Quartet | | | See reference | |
| Athenian Operatic Company | 1928 - 1929 | 10 | dramatic group | |
| Athenian Orchestra | 1916 | 8 | Musical group | |
| Athenian Orchestra. See: Gypsy Wanderers | | | See reference | |
| Athenian Trio | 1916 | 1 | Vocal group | |
| Athēnōn, Leōs (Αθηνών, λεως) | 1922 | 3 | choral director | |
| Athens Band | 1909 | 2 | Musical group | |
| Athens Cathedral Choir | 1922 - 1924 | 7 | Vocal group | |
| Athens, Jimmy | 1940 - 1941 | 50 | string bass | |
| Atherton Bohemian Quartet | 1916 | 1 | Vocal group | |
| Atherton, A. | 1919 - 1920 | 3 | bass vocal | |
| Atherton, Charles | 1929 - 1933 | 2 | author | |
| Atherton, [?], Mr. | 1917 | 2 | piano | |
| Athoneos, G. | 1933 | 3 | composer | |
| Athraïdu, Athanasia (Ατραϊδου, Αθανασία) | 1935 - 1939 | 9 | vocalist | |
| Atienza, B. | 1920 | 1 | composer | |
| Atilla the Hun. See: Quevedo, Raymond | | | See reference | |
| Atilla, the Hun [Quevedo, Raymond] | 1934 - 1941 | 76 | vocalist | |
| Atinese, R. | 1923 | 2 | composer | |
| Atkins, "Sister" Billie Rose | 1949 - 1950 | 4 | vocalist | |
| Atkins, (?), M. | 1934 | 2 | conductor | |
| Atkins, A. | 1927 | 1 | composer, lyricist | |
| Atkins, Adolph | 1926 | 1 | lyricist, composer | |
| Atkins, Alex | 1948 - 1956 | 8 | alto saxophone | |
| Atkins, Boyd | 1926 - 1939 | 9 | songwriter, lyricist, composer | |
| Atkins, Chet | 1947 - 1956 | 366 | guitar, electric guitar, leader, vocalist, composer, songwriter, violin, electric bass, arranger | |
| Atkins, Herb | 1931 | 2 | leader | |
| Atkins, Jack | 1935 - 1937 | 26 | trumpet | |
| Atkins, Jimmy | 1935 - 1953 | 34 | vocalist, guitar, songwriter, composer | |
| Atkins, Leonard | 1942 - 1949 | 8 | violin, viola | |
