The abbreviation CBA can refer to:
* Canadian Bankers Association
* Canadian Bar Association (CBA)
* CBA (AM), the CBC Radio One station in Moncton, New Brunswick
* CBA-FM, the CBC Radio Two station in Moncton
* Christian Brothers Academy
* Chicago Bar Association
* Companhia Brasileira de Aluminio
* Confederação Brasileira de Automobilismo
* Cost-benefit analysis
* Credit Bank of Albania
* Charlotte Bobcats Arena, the home arena for the Charlotte Bobcats
* Chinese Basketball Association, the pre-eminent basketball league in China
* Continental Basketball Association, a basketball minor league in the United States
* collective bargaining agreement, especially in sports
* Commonwealth Bank of Australia
* Council for British Archaeology
* CBA (food retail), a Hungarian food-retail network
* Complete Boolean algebra
* Compagnie Belge d'Animation, a short-lived Belgian animation studio
* Can't be arsed (or assed), slang for inaction due to laziness
* Luis A. Ferré Performing Arts Center (Centro de Bellas Artes Luis A. Ferre)