| Acronym | Definition |
|---|
| ESPA➣Easter Seals Project Action |
| ESPA➣Empire State Pride Agenda (NY lesbian and gay political organization) |
| ESPA➣Evans School of Public Affairs (University of Washington) |
| ESPA➣Elementary School Proficiency Assessment |
| ESPA➣European Sport Pilot Association |
| ESPA➣EELV Secondary Payload Adapter |
| ESPA➣Elementary School Principals' Association (various locations) |
| ESPA➣Empire State Petroleum Association |
| ESPA➣Elderly Service Providers Association (Japan) |
| ESPA➣Empire State Passengers Association (Syracuse, NY) |
| ESPA➣European Sterilization Packaging Association |
| ESPA➣Exclusive Spas Australia |
| ESPA➣Espaleklek (University of the Philippines fraternity) |
| ESPA➣Extensible Service Policy Architecture (Digital Telecomm. Inc.) |
| ESPA➣Electronically Steered Phased Array |
| ESPA➣European Selective Paging Association |
| ESPA➣Enhanced Services Provider Association |
| ESPA➣E-Shaped Patch Antenna |
| ESPA➣Endangered Species Preservation Act of 1966 |