| Acronym | Definition |
|---|
| ISPA➣Internet Service Providers Association |
| ISPA➣International Spa Association |
| ISPA➣Istituto di Scienze delle Produzioni Alimentari |
| ISPA➣Instrument for Structural Policies for Pre-Accession |
| ISPA➣Instituto Superior de Psicologia Aplicada (Portugal) |
| ISPA➣Internet Service Providers Austria |
| ISPA➣International Sleep Products Association |
| ISPA➣International Symposium on Parallel and Distributed Processing and Applications |
| ISPA➣International School Psychology Association |
| ISPA➣Institut Supérieur de Plasturgie d'Alençon (French: Alençon Higher Institute of Plastics; Alençon, France) |
| ISPA➣International Society of Parametric Analysts |
| ISPA➣Instrument for Structural Policy for Pre-Accession (EU) |
| ISPA➣International SharePoint Professionals Association (software) |
| ISPA➣International Skat Players Association (German card game) |
| ISPA➣ISDN Packet (Driver) |
| ISPA➣Illinois School Psychologists Association |
| ISPA➣Istituto Sperimentale Psicodinamica Applicata (Italian: Research Institute of Applied Psychotherapy) |
| ISPA➣Irish Social Policy Association |
| ISPA➣Iowa School Psychologists Association |
| ISPA➣Institute of Space and Planetary Astrophysics |
| ISPA➣Internet Spyware Prevention Act |
| ISPA➣Idaho State Police Association (Meridian, Idaho) |
| ISPA➣Indiana State Police Alliance |
| ISPA➣Image and Signal Processing Analysis (International Symposium) |
| ISPA➣Information Systems Process Assessment |
| ISPA➣Internal Shorted Patch Antenna |
| ISPA➣Initial State Probability Algorithm |