| Abbreviation | Definition |
|---|---|
| CNFRA | Comite National Francais des Recherces Antarctiques (French: French National Committee for Antarctic Research) |
| CNLBR | Center for Negro League Baseball Research |
| CNNRO | Canadian Network of Northern Research Operators |
| CNR | Centre for Narrative Research |
| CNR | Chief of Naval Research |
| CNRC | Cajal Neuroscience Research Center |
| CNRC | Children's Nutrition Research Center |
| CNRC | Clinical Nutrition Research Center |
| CNRC | Clinical Nutrition Research Centre |
| CNRC | Columbia Network Research Center |
| CNRF | Caric National Research Forum |
| CNRI | Corporation for National Research Initiatives |
| CNRL | Clinical Neurophysiology Research Laboratory |
| CNRL | Computer Networking Research Laboratory |
| CNRR | Center for Neuroscience and Regeneration Research |
| CNRU | Cancer Nursing Research Unit |
| CNRU | Cognitive Neuroscience Research Unit |
| CNTR | Coalition for National Trauma Research |
| COAR | Center for Operational Analysis and Research |
| COAR | Cyber Operations Analysis and Research |