CTA

CTA may refer to:

Legislation

Children's Television Act, American legislation passed in 1990 that enforces a certain degree of educational television
Corporate Transparency Act, Title LXIV of the National Defense Authorization Act for Fiscal Year 2021
Counter-Terrorism Act 2008
Criminal Tribes Act, British legislation in India passed in 1871 which labelled entire communities as criminal

California Teachers Association, a labor union
California Technology Agency, a California cabinet-level state agency
Call to Action, a Christian organization
Canadian Transportation Agency, an independent tribunal of the Government of Canada
Canadian Trucking Alliance, a Canadian federation of provincial trucking associations
Central Toronto Academy, formerly called Central Commerce Collegiate
Chicago Transit Authority, the official public transportation authority for the city of Chicago
Chisholm Trail Academy
Colorado Translators Association
Columbus Torah Academy
Consolidated Tape Association, which oversees stock market transactions in the United States
Consumer Technology Association, formerly Consumer Electronics Association

Chartered tax adviser, a tax accountant who is a member of the:
- Chartered Institute of Taxation (UK)
- Tax Institute (Australia)
Commodity trading advisor
Cryptologic technician administrative

Call to action (marketing), a web design tenet that requires each page to clearly indicate the desired user response
Call to action (political), a call to activists to participate in a direct action or similar political activity
Call to arms
Cased telescoped ammunition
Central technical area, an equipment room used in broadcasting facilities
The Chicago Transit Authority, former name of the American band Chicago
Container Terminal Altenwerder
Common Tasks for Assessment, an educational programme run by the Department of Education of South Africa
Common Travel Area, comprising Ireland, Great Britain, the Isle of Man and the Channel Islands
Common Turkic Alphabet
Control area, controlled airspace that exists in the vicinity of an airport
Copyright transfer agreement, used in publishing