| Acronym | Definition |
|---|
| ACSA | Association of California School Administrators |
| ACSA | Association of Collegiate Schools of Architecture |
| ACSA | Airports Company South Africa |
| ACSA | Apple Certified System Administrator |
| ACSA | Australian Curriculum Studies Association |
| ACSA | Acquisition and Cross-Servicing Agreement (Japan-US) |
| ACSA | Alberta Construction Safety Association |
| ACSA | AIDS Council of South Australia |
| ACSA | American Council of Snowmobile Associations |
| ACSA | Applied Computer Security Associates |
| ACSA | American Cotton Shippers Association |
| ACSA | American College Student Association |
| ACSA | Annual Computer Security Applications (conference) |
| ACSA | Association Canadienne de Sécurité Agricole |
| ACSA | Acer Saccharum |
| ACSA | Algiers Charter Schools Association (New Orleans, LA) |
| ACSA | Australian Cotton Shippers Association |
| ACSA | Albemarle County Service Authority (Charlottesville, VA) |
| ACSA | Augusta County Service Authority |
| ACSA | Afghan Computer Science Association |
| ACSA | Australian Custodial Services Association |
| ACSA | Australian Catholic Students Association |
| ACSA | Agricultural Chemical Safety Assessment |
| ACSA | American Computer Science Association, Inc. (Los Alamos, NM) |
| ACSA | Australian Council of Stoma Associations |
| ACSA | Agincourt Community Services Association (Ontario, Canada) |
| ACSA | Australian Collieries Staff Association |
| ACSA | Access Control Specific Area |
| ACSA | Acquisition Cross-Service Agreement |
| ACSA | Association of Consulting Surveyors Australia |
| ACSA | Alaska Council of School Administrators |
| ACSA | Agbar construcción SA |
| ACSA | Allied Communications Security Agency (NATO) |
| ACSA | Adoption Chats Sans Abri |
| ACSA | Agencia Centroamericana de Seguridad Aeronáutica (Central American Agency for Aviation Safety) |
| ACSA | Anvil City Science Academy (Nome, Alaska) |
| ACSA | Academic Center for Student-Athletes |
| ACSA | Arizona Charter Schools Association (Phoenix, AZ) |
| ACSA | African Caribbean Students Association |
| ACSA | Anatomical Cross Sectional Area |
| ACSA | Adenylate Cyclase-Stimulating Activity |
| ACSA | Austrian Cactus and Succulent Association |
| ACSA | Association of Certified Security Agencies (Singapore) |
| ACSA | Adventure Club San Antonio (Texas) |
| ACSA | Antwerp Consortium of Shipping Agents |
| ACSA | Alum Creek Sailing Association (Lewis Center, OH) |
| ACSA | Armenian Churches Sports Association |
| ACSA | Achehnese Students Association |
| ACSA | Asian Crop Science Association (Australia) |
| ACSA | Azienda Comunale Servizi Ambientali (Italy) |
| ACSA | Alliance of Canadian Societies of Art |
| ACSA | Advanced Communication System Access |
| ACSA | Acta Crystallographica Section A |
| ACSA | Arizona Cyber Security Alliance |
| ACSA | Asian Children Support Association |
| ACSA | Association for College Student Affairs |
| ACSA | Aged and Community Services Australia, Inc. |
| ACSA | Arizona Cowboy Shooters Association, Inc. (Phoenix, AZ) |
| ACSA | Aerogeneradores Canarios SA |
| ACSA | Atkinson College Students Association |
| ACSA | Absolute Customer Satisfaction Assurance (eMagin) |
| ACSA | American Cormo Sheep Association (Ramah, NM) |
| ACSA | American Chu Shogi Association |
| ACSA | American Council of Spotted Asses, Inc. |
| ACSA | Akademickeho Centra Studentskych Aktivit (Czech Republic) |
| ACSA | Australian Customer Service Association Inc. |
| ACSA | Accumulated or Sampled on board |
| ACSA | Advisory Committee on Student Affairs |
| ACSA | Agency for Consultations and Studies in Agriculture (Moldova) |
| ACSA | Action Commerciale Saint Alyre |
| ACSA | Al Cajal Society of America |
| ACSA | Australian Chinese Soccer Association Ltd (Australia) |
| ACSA | Aracruz Cellulose SA |
| ACSA | Army Communications Satellite Agency |
| ACSA | Administratrices Scolaire |
| ACSA | Advisory Committee for Student Athletes |
| ACSA | American Center for Social Awareness |
| ACSA | Alaska Charter School Association |
| ACSA | Associated Clubs of Southern Africa |
| ACSA | AutoCash Systems Australia |
| ACSA | Aggravated Criminal Sexual Assault |
| ACSA | Alliance Certified Signing Agency (Santa Clara, CA) |
| ACSA | Argonne Chinese Scholars Association |
| ACSA | Alabama Crushed Stone Association (Montgomery, AL) |
| ACSA | Alberta Cities Safety Association (Canada) |
| ACSA | Agency for Consulting and Schooling in Agriculture |
| ACSA | Annual Course Self-Assessment (college curriculum evaluation; UK) |