| Abbreviation | Definition |
|---|---|
| ASA | Acoustical Society of America |
| ASA | American Scientific Association |
| ASA | American Security Association |
| ASA | American Sociological Association |
| ASA | American Statistical Association |
| ASA | American Stroke Association |
| ASA | Americans for Safe Access |
| ASA | Association of Social Advancement |
| ASA | Autism Society of America |
| ASAA | American Sleep Apnea Association |
| ASAA | American Society of Agricultural Appraisers |
| ASAC | Association for Sustainable Agricultural Certification |
| ASACP | Adult Sites Against Child Pornograph |
| ASACP | Asacpadult Sites Against Child Pornography |
| ASAF | Autism Society of America Foundation |
| ASAFAA | Autism Society of America Foundation for Autism Research |
| ASAM | Association for Standardization of Automation and Measuring |
| ASAP | A Self-help Assistance Program |
| ASAP | Alliance of Security Analysis Professionals |
| ASAP | Arcadia For Saving And Preserving |