| Abbreviation | Definition |
|---|---|
| CRIA | Community Revitalization and Investment Authorities |
| CRIA | Community Revitalization and Investment Authorities Community |
| CRIA | Community Revitalization and Investment Authority |
| CRIDA | Capital Region Independent Development Authority |
| CRRA | Connecticut Resources Recovery Authority |
| CRTA | Cyprus Radio Television Authority |
| CSAH | Chatham Savannah Authority for the Homeless |
| CSCA | Country Signing Certification Authority |
| CSOBA | Colorado Student Obligation Bond Authority |
| CTA | Cairo Transport Authority |
| CTA | California Transit Authority |
| CTA | Coast Transit Authority |
| CTSA | Channel Tunnel Safety Authority |
| CTTA | Certified TEMPEST Technical Authority |
| CURA | Charleston Urban Renewal Authority |
| CVA | Comic Verification Authority |
| CWA | Central Water Authority |
| CWFA | Clean Water Financing Authority |
| CWSA | Central Water and Sewerage Authority |
| CWSA | Central Water Sewerage Authority |