| Abbreviation | Definition |
|---|---|
| CRASH | Christians Running Around Seeking Heaven |
| CRASH | Come Rejoice And Sing Hallelujah |
| CRAZY | Christian Radical And Zealous Youths |
| CRAZY | Christian Raymond Antoine Zachary Yvan |
| CRBF | Christ Reformed Baptist Fellowship |
| CRC | Central Reform Congregation |
| CRCA | Calvary Resurrection Christian Academy |
| CRCA | Christian Reformed Churches of Australia |
| CRCA | Cutler Ridge Christian Academy |
| CRCC | Center for Religion and Civic Culture |
| CRCS | Christ The Redeemer Catholic Schools |
| CRDA | Corporate Religious Diversity Assessment |
| CRE | Christian Resources Exhibition |
| CRE | Christian Resources Exhibitions |
| CREATE | Christian Research Education Action Technical Enterprise |
| CREC | Communion of Reformed Evangelical Churches |
| CREDO | Catholic Research Economists Discussion Organization |
| CREDO | Chaplains Religious Enrichment Development Operation |
| CREDO | Clergy Reflection Education And Development Opportunity |
| CREDO | Clergy Renewal Education And Discernment Opportunity |