- Abyss -- AC
- AC -- AC Berkheimer
- A.C. Bhaktivedanta Swami Prabhupada -- AC Da' Perfecto
- AC/DC -- AC "King"
- A.C. Kupper -- A.C. "Moohah" Williams
- A.C. Myles -- A.C. Reed & The Spark Plugs
- A.C. Roberts -- A.C. The Producer
- Ac the Promoter -- Aca Seca Trío
- Acabah Rot -- Academia
- Academia De Danças -- Academic Russian Folk Instruments Orchestra Of Sov
- Academic Symphony Orchestra Moscow -- Academy Hill
- Academy Of Acient Music -- Academy Of St. Martin In The Fields Chamber Ensemble
- Academy Of St. Martin In The Fields Chamber Ensemble -- Acadenmicos Do Salguetro
- Acadien Cajun Band -- Acanto
- Ação Direta -- Acappella Company
- Acappella Praise -- Acapulco Tropical
- Acapulco Tropical -- Acca Anon