| CPEI | Center for Practice Engagement and Innovation 
| Others |
| CPEI | Center for Prevention Early Intervention
| Others |
| CPEI | Center Of Pressure Excursion Index
| Others |
| CPEI | Centre for Process Excellence and Innovation
| Others |
| CPEI | Centre for Process Excellence Innovation
| Others |
| CPEI | Computer Program End Item
| Others |
| CPEI | Consumer Protection Enforcement Initiative
| Others |
| CPEI | Contemporary Practices in Early Intervention
| Others |
| CPEI | Customer Premises Equipment Installer
| Others |