| CIEP | IEEE International Power Electronics Congress | IEEE国际电力电子大会 |
| CIEP | Coastal Energy Impact Program | 海岸能源影响计划 |
| CIEP | Counterintelligence Equipment Program | 反情报装备计划 |
| CIEP | counter immunoelectroosmophoresis | 反免疫渗压 |
| CIEP | contraimmunoelectrophoresis | 反免疫电泳 |
| CIEP | Council on International Economic Policy | 国际经济政策委员会 |
| CIEP | Centro de InvestigaciÓn y EducaciÓn Popular | Centro de InvestigaciÓn y EducaciÓn Popular |