CCTB

CCTB may stand for:
 * Chicago Convention and Tourism Bureau, an organization which promotes conventions and tourism in Chicago
 * Canada Child Tax Benefit, a tax-free payment available to some Canadian families
 * Common Consolidated Tax Base, one of several Next_Generation_EU
 * Central Compilation and Translation Bureau, a now defunct party formed to research and translate Marxist works.
 * Close Combat Testbed, one of the former names for the historical U.S. Army training program known as Mounted Warfare TestBed