- The Columbus Consort -- The Come Ons
- The Comedy Company -- The Commissioned Reunion
- The Commissioner -- The Communards
- The Communication Corporation -- The Complete
- The Complete Strategist -- The Concino Children's Chorus
- The Concord String Quartet -- The Conga Kings
- The Congas -- The Conquering
- The Conquerors -- The Consumer
- The Consumers -- The Contingencies
- The Contortionist -- The Cooke Duet
- The Cookies -- The Cooltrane Cuartet
- The Cooltrane Quartet -- The Corals