| CCRN | Canadian Cultural Research Network
| Others |
| CCRN | Catholic Charismatic Renewal of Nigeria
| Others |
| CCRN | certified in critical care nursing
| Others |
| CCRN | Child Care Resource Network
| Others |
| CCRN | Childhood Cancer Research Network
| Others |
| CCRN | Collaborative Care Research Network
| Others |
| CCRN | Community Conservation Research Network
| Others |
| CCRN | Comprehensive Clinical Research Network
| Others |
| CCRN | Concealed Carry Reform Now
| Others |
| CCRN | Connecticut Career Resource Network
| Others |
| CCRN | Critical Care Registered Nurse
| Others |