| Acronym | Definition |
|---|
| ESPI➣European Space Policy Institute |
| ESPI➣Electronic Speckle Pattern Interferometry |
| ESPI➣Environmental Science: Processes & Impacts (international journal) |
| ESPI➣Ecole Supérieure des Professions Immobilières (Paris) |
| ESPI➣Elective Services Performance Indicator (health care) |
| ESPI➣European Software Process Improvement |
| ESPI➣Electronic Space Products International (est. 1950; Ashland, OR) |
| ESPI➣Energy Services Providers, Inc. (Pittsfield, MA) |