| Abbreviation | Definition |
|---|---|
| CROP | Christian Rite Of Passage |
| CROP | Christian Rural Overseas Program |
| CROP | Christian Rural Overseas Project |
| CROP | Christians Responding to Overcome Poverty |
| CROP | Church Rural Overseas Program |
| CROSS | Christ Redeem Our Sins Successfully |
| CRPC | Center for Religion and Psychotherapy of Chicago |
| CRR | Critical Research on Religion |
| CRS | Christian Religious Services |
| CRS | Christian Religious Studies |
| CRS | Christian Religious System |
| CRSP | Clerics Regular Of Saint Paul |
| CRT | Center For Religious Tolerance |
| CRTC | Capital Region Theological Center |
| CRTN | Catholic Radio and Television Network |
| CRU | Christians Riding Unicorns |
| CRY | Christian Regional Youth |
| CS | Christian Saint |
| CS | Christian Science |
| CS | Christian Scientist |