Editing CSA (section)

===Government and military===
* [[Canadian Securities Administrators]], an organization of provincial and territorial securities regulators
* [[Canadian Space Agency]], the national space agency of Canada
* [[Central Statistical Agency]] of Ethiopia
* [[Chief of Staff of the United States Army]]
* [[Civil Services Academy Lahore]], Pakistan
* [[Compatriots of South Africa]], a South African political party
* Compliance, Safety, and Accountability, an American commercial vehicle driver safety program; see [[Federal Motor Carrier Safety Administration#Compliance, Safety, Accountability (CSA)|Federal Motor Carrier Safety Administration]]
* [[Confederate States of America]], a break-away republic in North America that lasted from 1861 to 1865
** [[Confederate States Army]]
* [[Conseil supérieur de l'audiovisuel]], a French broadcast content monitoring agency
* [[CSA Group]] (formerly the Canadian Standards Association, or CSA), a standards organization based in Canada
* CSA - [[Northern Ireland Child Support Agency]]
* [[Cyber Security Agency (Singapore)]]