| Abbreviation | Definition |
|---|---|
| CIT | Catholic Intellectual Tradition |
| CIT | Christians In Training |
| CITA | Christians In Theatre Arts |
| CIU | Christ In Us |
| CIVA | Christians In The Visual Arts |
| CIWA | Catholic Institute of West Africa |
| CJ | Christ Jesus |
| CJC | Church of Jesus Christ |
| CJC | Sisters of Jesus Crucified |
| CJCR | Centre for Jewish-Christian Relations |
| CJCU | Chang Jung Christian University |
| CJK | Christ Jesus the King |
| CJM | Congregation of Jesus and Mary |
| CK | Christian Kid |
| CKJ | Congregation Kehilath Jeshurun |
| CKP | Christian Knowles Productions |
| CKT | Che Kung Temple |
| CL | Christ-like Living |
| CLA | Christian Law Association |
| CLA | Christian Leadership Alliance |