CDEI
| Acronym | Definition |
|---|---|
| CDEI | Certified Distance Education Instructor (teacher certification; International Distance Education Certification Center) |
| CDEI | Centre de Documentation en Éthique des sciences de la vie et de la santé de l'INSERM |
| CDEI | China Dental Exhibition International (trade show) |
| CDEI | Centromere DNA Element I |