| "Pop" Hanks and His Boys (Musical group) | 1926 | 2 | |
| 106th Infantry Band (Musical group) | 1923 | 3 | |
| 12th Regiment New York National Guard Drum and Bugle Corps (Musical group) | 1910 | 3 | |
| 13th Sound Ensemble of Havana (Musical group) | 1930 | 3 | |
| 14 Doctors of Syncopation (Musical group) | 1927 - 1928 | 8 | |
| 14 Virginians (Musical group) | 1924 - 1925 | 22 | |
| 165th New York National Guard Regimental Band. See: Ridgely's 69th Regimental Band [i.e., International Band] (Musical group) | - | - | |
| 7th Regiment Band of New York (Musical group) | 1897 - 1917 | 28 | |
| 86th Street Temple Chorus of New York (Vocal group) | 1914 - 1918 | 2 | |
| The A Capella Choir of Fremont High School of Los Angeles (Musical group) | 1933 | 1 | |
| A Magy. Kir. Opera Énekkara (Vocal group) | 1907 - 1908 | 2 | |
| A. & P. Gypsies (Musical group) | 1933 | 4 | |
| A. Barna a Grupa. See: A. Barna Company (Musical group) | - | - | |
| A. Barna Company (Musical group) | 1929 - 1930 | 18 | |
| A. Barna i Ko. See: A. Barna Company (Musical group) | - | - | |
| A. Dobrohotoff Orchestra (Musical group) | 1928 | 4 | |
| A. Elinkrig's Yidishe Orchestra. See: Elenkrig's Orchestra (Musical group) | - | - | |
| A. Ferrazzano y su Orquesta Típica. See: Orquesta Típica A. Ferrazzano (Musical group) | - | - | |
| A. Nemeth Cigáňska Banda. See: Németh Sándor Czigányzenekara (Musical group) | - | - | |
| A. Paul Capp Orchestra (Musical group) | 1927 | 1 | |
| A. Pelak a Grupa (Vocal group) | 1930 | 1 | |
| A. Pelak a Spol (dramatic group) | 1924 - 1931 | 27 | |
| A. Rizzi Italian Jazz Orchestra. See: Alfredo-Alberto Italiana Jazz Band (Musical group) | - | - | |
| A. Weissman's Orchestra (Musical group) | 1922 | 3 | |
| A. Zauconi. See: Zacconi, Arthur (vocalist) | - | - | |
| A.S. Hinds Company (sponsor) | 1933 | 1 | |
| Aabel, Andreas (lyricist) | 1917 | 1 | |
| Aalbach, Jaques (speaker) | 1909 | 1 | |
| Aaltonen, Topi (vocalist : baritone vocal) | 1929 | 1 | |
| Aaron Sisters (Vocal group) | 1932 | 5 | |
| Aaron Sisters (Vocal group) | 1932 | | |
| Aarons, Alfred E. (composer) | 1903 - 1908 | 3 | |
| Aaronson, Irving (composer) | 1921 - 1922 | 4 | |
| Aaronson, Irving (director) | 1926 - 1929 | 35 | |
| Aaronson, Irving (instrumentalist : piano) | 1926 - 1928 | 7 | |
| Aaronson, Irving (leader) | 1926 - 1928 | 3 | |
| Aaronson, Irving (songwriter) | 1921 | 1 | |
| Aaronson, Irving (vocalist) | 1926 - 1928 | 11 | |
| Aase, Fritz (instrumentalist : accordion) | 1917 | 11 | |
| Aasen, Ivar Andreas (lyricist) | 1914 - 1920 | 3 | |
| Abad, Vicente (leader) | 1910 | 20 | |
| Abades, M. See: Martínez Abades, J. (composer) | - | - | |
| Abarca, A. M. (composer) | 1926 - 1927 | 2 | |
| Abaroa Carranza, Ramón (composer) | 1936 | 2 | |
| Abatzi, Rita (Αμπατζή, Ρίτα) (vocalist) | 1934 - 1940 | 34 | |
| Abbass, A. (arranger) | 1911 | 1 | |
| Abbate, Giuseppe (instrumentalist : guitar) | 1928 - 1930 | 12 | |
| Abbaye Saint-Pierre de Solesmes. Chœur. See: Monks Choir of Saint-Pierre de Solesmes Abby (Vocal group) | - | - | |
| Abbey, Leon (instrumentalist : violin) | 1925 | 2 | |
| Abbey, M. E. (lyricist) | 1922 - 1934 | 14 | |
