| Acronym | Definition |
|---|
| ECPP➣European Coalition of Positive People (UK) |
| ECPP➣European Confederation of Psychoanalytic Psychotherapies (est. 2003) |
| ECPP➣Elliptic Curve Primality Proving |
| ECPP➣Early California Population Project (Huntington Library; San Marino, CA) |
| ECPP➣Enfield Community Police Partnership (London, UK) |
| ECPP➣Early Childhood Professional Preparation |
| ECPP➣Euro Commercial Paper Programme (debt issuance) |
| ECPP➣Enterprise Collaborative Processing Portal |