| Abbreviation | Definition |
|---|---|
| ASP | Association of Surfing Professionals |
| ASPA | Adventist Student Personnel Association |
| ASPA | Alaska School Psychologists Association |
| ASPA | American Salvage Pool Association |
| ASPA | American Shrimp Processors Association |
| ASPA | Arizona State Physician Association |
| ASPA | Arizona State Physicians Association |
| ASPA | Association of South Pacific Airlines |
| ASPA | Association of Specialized and Professional Accreditors |
| ASPA | Association of Specialized Professional Accreditors |
| ASPA | Association of Structural Policy Analysis |
| ASPA | Authentication Solution Providers Association |
| ASPC | Association of Sport Performance Centers |
| ASPC | Association of Sport Performance Centres |
| ASPD | Association of Specialist Providers to Dentists |
| ASPEG | Anatolian Speleology Group Association |
| ASPFA | Agormanya Sweet Potato Farmers Association |
| ASPI | Association of Suppliers to the Paper Industry |
| ASPMP | Association of Specialists in Private Medical Practice |
| ASPO | Association for the Study of Peak Oil |