BCG

BCG may refer to:

Astronomy

 * Blue compact galaxy
 * Brightest cluster galaxy

Medicine and biochemistry

 * BCG vaccine (Bacillus Calmette–Guérin), for tuberculosis
 * Ballistocardiography, measuring heart forces
 * Bromocresol green, a dye and pH indicator

Companies

 * Beijing Capital Group, China
 * Boston Consulting Group
 * Buffalo Creek and Gauley Railroad (BC&G), Clay County, West Virginia, US

Other uses

 * BCG matrix, for product line analysis
 * Billy Gillispie, American basketball coach
 * Bolt, carrier group in a firearm
 * British Comedy Guide
 * Big City Greens, show on the Disney Channel
 * "Birth control glasses", common dysphemism for GI glasses