| Claar, Dwight | 1940 | 1 | songwriter | |
| Claar, Herbert | 1919 | 1 | composer | |
| Claassen, Arthur | 1908 - 1920 | 5 | conductor, arranger | |
| Claesson, Jean | 1911 - 1938 | 4 | songwriter, composer, vocalist | |
| Claff, Harry | 1919 | 2 | vocalist | |
| Claffey, James | 1929 | 1 | violin | |
| Claffy, James | 1927 - 1929 | 17 | violin | |
| Clagg and Sliger | 1930 | 6 | Vocal group | |
| Clair, Bruno | 1940 | 4 | vocalist | |
| Clair, Herbert | 1922 - 1925 | 3 | piano, composer | |
| Clair, Rene | 1931 - 1947 | 5 | lyricist | |
| Clair, Robert | 1930 | 1 | composer | |
| Clairbert, Clare | 1930 | 2 | soprano vocal | |
| Claire, Annette | 1933 | 3 | soprano vocal | |
| Claire, Bernice | 1934 | 1 | performer | |
| Claire, Dorothy | 1939 - 1946 | 20 | vocalist | |
| Claire, Frances | 1941 | 4 | vocalist | |
| Claire, Gypsy | 1924 | 1 | vocalist | |
| Claire, Marion | 1941 | 2 | soprano vocal | |
| Claire, Martha | 1924 | 1 | vocalist | |
| Claire, Phyllis | 1950 | 1 | composer | |
| Claire, Sidney | 1927 - 1950 | 2 | songwriter | |
| Claire, Sidney. See: Clare, Sidney | | | See reference | |
| Clairville, M. | 1924 - 1942 | 7 | librettist, lyricist | |
| Clam Bake Group (Tommy Dorsey) | 1946 | 1 | Musical group | |
| Clambake Seven | 1935 - 1950 | 56 | Musical group | |
| Clancy Brothers | | | Musical group | |
| Clancy, Dolores Jo | 1941 | 1 | vocalist | |
| Clancy, Patrick J. | 1918 - 1919 | 5 | violin | |
| Clanton, A. L. | 1954 | 1 | composer, lyricist | |
| Clapham, R. | 1933 | 2 | piano | |
| Clapisson, L. | 1915 - 1930 | 2 | composer | |
| Clapp, Charles Franklin. See: Clapp, Sunny | | | See reference | |
| Clapp, John M. | 1917 | 1 | speaker | |
| Clapp, Sunny | 1927 - 1946 | 66 | composer, lyricist, director, leader, songwriter | |
| Clapson, André | 1932 - 1933 | 2 | composer | |
| Clar, Arden | 1949 | 3 | composer | |
| Clara Lewis Trio | | | Musical group | |
| Clara Smith and her Five Black Kittens | 1927 | 2 | Musical group | |
| Clara Smith Jazz Band | 1924 - 1926 | 17 | Musical group | |
| Clara Smith Jazz Trio | 1924 | 6 | Musical group | |
| Clará, Enrique | 1926 - 1929 | 29 | composer, songwriter | |
| Clardy et Clement | 1930 | 2 | Musical group | |
| Clare, John | 1907 - 1930 | 16 | author | |
| Clare, Johnne | 1928 | 1 | vocalist | |
| Clare, Melville | 1927 | 2 | harp | |
| Clare, Otto | 1938 | 6 | piano | |
| Clare, Sidney | 1917 - 1955 | 303 | lyricist, songwriter, composer | |
| Clarence Green and Wise Brothers | 1928 | 2 | Musical group | |
| Clarence Jones Wonder Orchestra | 1926 | 2 | Musical group | |
