| Acronym | Definition |
|---|
| CIEP | Centre International d'Etudes Pédagogiques (French: International Center of Pedagogical Studies; Sèvres, France) |
| CIEP | Coordinación de Innovación Educativa y Pregrado (Spanish: Coordination of Educational and Undergraduate Innovation; Mexico) |
| CIEP | Clingendael International Energy Programme (Netherlands) |
| CIEP | Council on International Economic Policy |
| CIEP | Cairns International Education Providers (Australia) |
| CIEP | Chevron International Exploration and Production (Chevron Corporation) |
| CIEP | Counter-Current Immuno-Electrophoresis |
| CIEP | Counterintelligence Equipment Program |
| CIEP | Counter Immune-Electro-Osmophoresis (microbiology) |