QCB Views 18 meanings found QCB most often stands for the Qatar Central Bank, but it also appears in academic circles for quantitative and computational biology, in firearms terminology as quickâchange barrel, and in finance as a qualifying corporate bond. Miscellaneous Quilt Coloring Book Quarter Circle Back Quick Circuit Board Qualifying corporate bond Community Queen City Balladeers Quad City Bonsai Quiet Corner Band Governmental Quick Change Barrel Quality Certification Bureau Quality Control Board Academic & Science Quantitative and Computational Biology Quantitative and Chemical Biology Computing Queue Control Block Business Quail Creek Bank, N. A. Qualtek Circuit Breaker Quality Certification Bureau Inc. Betashares Commodities Basket Exchange Traded Fund-currency Qatar Central Bank