| EFPI | Earth Fault Passage Indicator 
| Others |
| EFPI | Education For Practice Institute
| Others |
| EFPI | Emotions and Feelings in Psychiatric Illness
| Others |
| EFPI | Environmental Footprint Performance Indicator
| Others |
| EFPI | Equation Free Projective Integration
| Others |
| EFPI | European Federation of Pharmaceutical Industries
| Others |
| EFPI | Expectation Focused Psychological Interventions
| Others |
| EFPI | Extrinsic Fabry Perot Interferometer
| Others |
| EFPI | extrinsic Fabry Perot interferometric
| Others |
| EFPI | Extrinsic Fabry Perot Interferometrie
| Others |
| EFPI | Extrinsic Fabry Perot Interferometry
| Others |
| EFPI | Pieksamaki, S-Finland
| Others |