| Abbreviation | Definition |
|---|---|
| ASAPs | Aging Services Access Points |
| ASBA | American Senior Benefits Association |
| ASBF | Ambulance Service Benevolent Fund |
| ASBMR | American Society for Bone and Mineral Research |
| ASC | Aboriginal Sports Circle |
| ASC | Aspergers Syndrome Coalition |
| ASCI | Association for Spinal Cord Injury |
| ASCIP | Academy of Spinal Cord Injury Professionals, Inc |
| ASDC | American Society for Deaf Children |
| ASDF | Autism Spectrum Disorder Foundation |
| ASDG | Amazon Sustainable Development Group |
| ASE | Alliance to Save Energy |
| ASEP | Association of Structural Engineers of the Philippines |
| ASES | American Shoulder and Elbow Surgeons |
| ASES | American Solar Energy Society |
| ASF | Acceleration Studies Foundation |
| ASF | Agronomic Science Foundation |
| ASF | AIDS Services Foundation |
| ASF | American Schizophrenia Foundation |
| ASF | Apache Software Foundation |