- CSA stands for Canadian Standards Association
- CSA stands for Community Supported Agriculture
- CSA stands for Czech Airlines (founded as Czechoslovak State Airlines; ICAO code)
- CSA stands for Cisco Security Agent
- CSA stands for Confederate States of America (from Civil War)
- CSA stands for Canadian Securities Administrators
- CSA stands for Canadian Space Agency
- CSA stands for Community Shared Agriculture
- CSA stands for Cambridge Scientific Abstracts
- CSA stands for Conseil Superieur de l’Audiovisuel (French authority for media networks)
- CSA stands for Controlled Substances Act
- CSA stands for Certified Senior Advisor (Society of Certified Senior Advisors)
- CSA stands for Central Services Agency
- CSA stands for Combined Statistical Area
- CSA stands for Cloud Security Alliance (est. 2008)
- CSA stands for Cervantes Society of America
- CSA stands for China Southern Airlines
- CSA stands for Centre for the Study of AIDS
- CSA stands for Cyclosporin A
- CSA stands for Chain Store Age
- CSA stands for Chinese Student Association
- CSA stands for Computer Security Act of 1987
- CSA stands for College Squash Association
- CSA stands for Control Self-Assessment (auditing)