| Abbreviation | Definition |
|---|---|
| CRPF | Cancer Research and Prevention Foundation |
| CRPF | Christopher Reeve Paralysis Foundation |
| CRR | Center for Reproductive Rights |
| CRRF | Canadian Race Relations Foundation |
| CRRS | Central Region Respite Society |
| CRRS | Community Residential Rehabilitation Services |
| CRS | Catholic Relief Services |
| CRS | Christian Relief Services |
| CRS | Creation Research Society |
| CRSC | Christian Relief Services Charities |
| CRT | Computer Rehabilitation Training |
| CRTC | Chesapeake Regional Tech Council |
| CRTC | Community Re-vitalization Training Center |
| CRTS | Centre for Rehabilitation of Torture Survivors |
| CRW | Citizens Rights Watch |
| CRWC | Clinton River Watershed Council |
| CRWN | Cancer Research Wellness Network |
| CRWRC | Christian Reformed World Relief Committee |
| CRY | Child Rights and You |
| CSA | Common Services Agency |