| Acronym | Definition |
|---|
| ERSP➣Electronic Retailing Self-Regulation Program |
| ERSP➣Ente Regulador de los Servicios Públicos |
| ERSP➣Environmental Remediation Sciences Program |
| ERSP➣Evolution Robotics Software Platform |
| ERSP➣Espace Régional de Santé Publique |
| ERSP➣Eesti Rahvusliku Sõltumatuse Partei |
| ERSP➣Edinburgh Ras Shamra Project |
| ERSP➣event-related spectral perturbation |
| ERSP➣Eragrostis spectabilis (purple lovegrass) |
| ERSP➣Electronic Reservation Services Provider |
| ERSP➣Economic Reforms Support Programme |
| ERSP➣Energy Resource Surveys Program |
| ERSP➣event-related spectral power |
| ERSP➣En Route Spacing Program (aviation) |
| ERSP➣event-related slow potential |
| ERSP➣Evangelical Review of Society and Politics (religious journal) |
| ERSP➣Ecological Reserve System Project (New Hampshire) |
| ERSP➣Emergency Road Service Provider |
| ERSP➣Eniwetok Radiological Support Project |