| ESPA | Early Support Program for Autism 
| Others |
| ESPA | Eastern Snake Plain Aquifer
| Others |
| ESPA | Ecosystem Services and Poverty
| Others |
| ESPA | Ecosystem Services for Poverty Alleviation
| Others |
| ESPA | Ecosystems Services for Poverty Alleviation
| Others |
| ESPA | Education and Services for People with Autism
| Others |
| ESPA | EELV Secondary Payload Adapter
| Others |
| ESPA | Einhorn School of Performing Arts
| Others |
| ESPA | ELAC Students for Political Awareness
| Others |
| ESPA | Electronic Sponsored Programs Administration
| Others |
| ESPA | Electronic Systems Professional Alliance
| Others |
| ESPA | Elementary and Secondary Principals Association
| Others |
| ESPA | Elementary School Proficiency Assessment
| Others |
| ESPA | Empire State Pride Agenda
| Others |
| ESPA | Equivalent Scoring Point Attempts
| Others |
| ESPA | European Stabiliser Producers Association
| Others |
| ESPA | European Student Placement Agency
| Others |
| ESPA | Event Service Professionals Association
| Others |
| ESPA | Lulea-Kallax, S-Sweden
| Others |