Posted in Business & Finance, Government & Military, Information Technology, Organizations, Schools & Education, Science CASB stands for Cloud Access Security Broker CASB stands for Cost Accounting Standards Board CASB stands for Colorado Association of School Boards CASB stands for Canadian Aviation Safety Board CASB stands for Catalogs and Surveys Branch CASB stands for Chartered Accountant School of Business (Canada) CASB stands for Chinese Association at Stony Brook CASB stands for Council for the Advancement of Small Business