BSAC

BSAC can stand for:
 * The British Screen Advisory Council
 * Bit Sliced Arithmetic Coding, audio coding from MPEG-4 Part 3
 * British South Africa Company, 1889–1965
 * British Sub-Aqua Club
 * British Society for Antimicrobial Chemotherapy
 * Black Swamp Area Council, scouting organisation in Ohio
 * Benedictine Study and Arts Centre, Ealing, London