| Abbreviation | Definition |
|---|---|
| ASRED | Association of Southern Rural Extension Directors |
| ASRP | Association of Senior Referral Professionals |
| ASSA | Alberta Summer Swimming Association |
| ASSA | Allied Social Science Association |
| ASSA | Allied Social Science Associations |
| ASSA | Allied Social Sciences Association |
| ASSA | Allied Social Sciences Associations |
| ASSA | American Shetland Sheepdog Association |
| ASSA | American Shutter Systems Association |
| ASSC | Association for the Scientific Study of Consciousness |
| ASSE | Association Sportive de Saint Etienne |
| ASSET | Association of Scuba Service Engineers and Technicians |
| ASSF | Association of Samba Schools in Finland |
| ASSF | Association of Scottish Stillwater Fisheries |
| ASSP | Association of Senior Service Providers |
| ASSP | Association Suisse de Science Politique |
| ASSR | Association for the Scientific Study of Religion |
| ASTA | Alabama Science Teachers Association |
| ASTA | American Spice Trade Association |
| ASTA | Austin Steam Train Association |