| Rank | Abbreviation | Meaning |
|---|
| ***** | ECPP | Elliptic Curve Primality Proving
| |
| ***** | ECPP | European Confederation of Psychoanalytic Psychotherapies
| |
| ***** | ECPP | Euro Commercial Paper Programme
| |
| ***** | ECPP | Environmental Circuit Prosecutor Project
| |
| **** | ECPP | Education and Career Planning Process
| |
| **** | ECPP | Epidemic Control Preparedness Programme
| |
| **** | ECPP | Employee Computer Purchase Program
| |
| **** | ECPP | Environmental Code of Practice for Packaging
| |
| **** | ECPP | Estimated cerebral perfusion pressure
| |
| *** | ECPP | Environmental Crime Prevention Programme
| |
| *** | ECPP | Enhanced Channel Partner Programs
| |
| *** | ECPP | Europejskie Centrum Pomocy Poszkodowanym
| |
| ** | ECPP | Estero Community Planning Panel
| |
| ** | ECPP | European Coalition of Positive People
| |
| ** | ECPP | Enfield Community Police Partnership
| |
| ** | ECPP | Electron Capture by Pair Production
| |
| ** | ECPP | Environment Culture and Public Protection
| |
| ** | ECPP | Early Childhood Professional Preparation
| |
| ** | ECPP | Early College Placement Program
| |
| * | ECPP | European Center for Psychiatry and Psychotherapy
| |
| * | ECPP | Electromagnetic Compatibility Program Plan
| |
| * | ECPP | Enterprise Collaborative Processing Portal
| |
| * | ECPP | Energy Conservation Promotion Project
| |
| * | ECPP | Eaux Claires Parasites Permanentes
| |
| * | ECPP | Extended Capability Parallel Port
| |