| Abbreviation | Definition |
|---|---|
| CHSS | Catholic Home Study Service |
| CHT | Chapel Hill Transit |
| CHURCH | Christians Have Utmost Respect for Christ's House |
| CHWC | Catholic Heart Work Camp |
| CHYP | Chapel Hill Young Professionals |
| CIA | Christians In Action |
| CIA | Confirmands In Action |
| CIAPR | Cambridge Institute for Applied Psychology Religion |
| CIAS | Christian Institute of Arts and Sciences |
| CIAS | Christian Institute of Arts Sciences |
| CIBD | Christian Internet Business Directory |
| CIC | Christian Initiation of Children |
| CIC | Christians In Combat |
| CIC | Cluster Institute Coordinator |
| CICAD | Coordination intercommunautaire contre l'antisémitisme et la diffamation |
| CICC | Catholic Integrated Core Curriculum |
| CICF | Cornell International Christian Fellowship |
| CICF | Corona International Christian Fellowship |
| CICM | Central India Christian Mission |
| CICT | Christians in Career Transition |