| Abbreviation | Definition |
|---|---|
| CGIN | Chang Gung Institute of Nursing |
| CGPI | China Global Philanthropy Institute |
| CGSI | Computational Genomics Summer Institute |
| CHAHALACADEMY | Best UPSC Coaching Institute in Bhubaneswer| Chahal Academy |
| CHCI | Cameron Heights Collegiate Institute |
| CHCI | Chimpanzee and Human Communication Institute |
| CHCI | Congressional Hispanic Caucus Institute |
| CHCI | Consortium of Humanities Centers and Institutes |
| CHCI | Contemporary Health Career Institute |
| CHDI | Child Health and Development Institute |
| CHEIN | Conservation Higher Education Institutions Network |
| CHI | Colorado Health Institute |
| CHI | Community Health Institute |
| CHILD | The Catherine Hershey Institute For Learning And Development |
| CHPI | Canadian Health Policy Institute |
| CHPI | Chattanooga Health And Performance Institute |
| CHPI | Child Health Policy Institute |
| CHPI | Cultural Heritage Preservation Institute |
| CHRI | child health research institute |
| CHRI | Children's Health Research Institute |