| Acronym | Definition |
|---|
| ASPA | American Society for Public Administration |
| ASPA | American Political Science Association |
| ASPA | American Servicemembers Protection Act (US) |
| ASPA | Association of Specialized and Professional Accreditors |
| ASPA | American Society of Pension Actuaries |
| ASPA | Aspartoacylase |
| ASPA | Association of Schools of Public Affairs |
| ASPA | Antarctic Specially Protected Area |
| ASPA | Australian Secondary Principals Association |
| ASPA | Assistant Secretary for Public Affairs |
| ASPA | American Society for Personnel Administration |
| ASPA | American Scholastic Press Association |
| ASPA | American Samoa Power Authority |
| ASPA | Animals (Scientific Procedures) Act 1986 (UK) |
| ASPA | Asociación Sindical de Pilotos de Aviación |
| ASPA | America do Sul-Paises Arabes (Portugese) |
| ASPA | Alabama State Port Authority |
| ASPA | Australian Ski Patrol Association |
| ASPA | Automotive Specialty Products Alliance |
| ASPA | Air Space |
| ASPA | After-School Programs and Activities |
| ASPA | Administrative and Supervisory Personnel Association |
| ASPA | Alabama Scholastic Press Association |
| ASPA | Aotearoa Student Press Association (New Zealand) |
| ASPA | Australian Scrabble Players Association |
| ASPA | American Salvage Pool Association |
| ASPA | Arkansas Scholastic Press Association |
| ASPA | American Sod Producers Association |
| ASPA | Arkansas School Psychology Association |
| ASPA | Aircraft Service Period Adjustment |
| ASPA | Adventist Student Personnel Association |
| ASPA | Association of Singapore Patent Agents |
| ASPA | Alaska Skijoring and Pulk Association |
| ASPA | American Sun Protection Association |
| ASPA | Armed Services Procurement Act |
| ASPA | Arizona State Physicians Association |
| ASPA | Alabama Society of Physician Assistants |
| ASPA | Australian Software Publishers Association |
| ASPA | Arkansas Society of Public Accountants (Newport, AR) |
| ASPA | Annual Safety Performance Award |
| ASPA | Arizona Staffing Professionals Association |
| ASPA | Arkansas State Police Association |
| ASPA | Alaska School Psychologists Association |
| ASPA | Associated Students Performing Arts |
| ASPA | Agricbusiness Service Plan Association |
| ASPA | All Sky Patrol Astrophysics |
| ASPA | Alaska State Prosecutors’ Association |
| ASPA | Adult Student Personnel Association |
| ASPA | Agriculture Sponsored Programs Administration |
| ASPA | American School Parents' Association |
| ASPA | Available Space Proportional Allocation |
| ASPA | All Saints' Parents Association |
| ASPA | Advanced Semiconductor Packaging Assembly |
| ASPA | Aluminium Sheet Products Association (South Africa) |
| ASPA | Advanced Strategic Penetrating Aircraft |
| ASPA | Aldenham School Parents' Association |
| ASPA | Associate of the Society of Practising Accountants (UK) |
| ASPA | American Society of Public Awareness |
| ASPA | Advanced Sonar Processing Architecture |
| ASPA | Annular Slot Planar Antenna |
| ASPA | Aircraft Structure Periodic Adjustment |
| ASPA | Annunciation School Parents Association |