| ADSA | Abu Dhabi Shipping Agency 
| Others |
| ADSA | Academic Development of Student Athletes
| Others |
| ADSA | Advance Direct Shock Action
| Others |
| ADSA | Advanced Database Systems and Application
| Others |
| ADSA | Advanced Database Systems and Applications
| Others |
| ADSA | Advanced Degree Student Association
| Others |
| ADSA | Advanced Degree Students Association
| Others |
| ADSA | Advanced Development for Security Applications
| Others |
| ADSA | Aging and Disability Services Administration
| Others |
| ADSA | Alberta Debate and Speech Association
| Others |
| ADSA | Alberta Disc Sports Association
| Others |
| ADSA | American Dairy Science Association
| Others |
| ADSA | American Dental Society of Anesthesiology
| Others |
| ADSA | Ashton and District Snowmobile Association (Ontario)
| Others |
| ADSA | Assistance Dog Special Allowance
| Others |
| ADSA | Association for Dietetics in South Africa
| Others |
| ADSA | Attention Deficit Scale for Adults
| Others |
| ADSA | Automatic Dependent Surveillance-Addressed
| Others |
| ADSA | Automobile Dacia Sa
| Others |
| ADSA | Autosomal DNA Segment Analyzer
| Others |
| ADSA | Axisymmetric Drop Shape Analysis
| Others |