| Abbreviation | Definition |
|---|---|
| CHRB | Community Housing Resource Board |
| CHS | Community Health Services |
| CHSP | Cape Henlopen State Park |
| CHSP | Chicago Home Safety Partnership |
| CIC | Crisis Intervention Center |
| CICU | Chamber Of Industrial Commercial Understandings |
| CIN | Cincinnati, Ohio |
| CIR | Citizens Initiated Referendum |
| CISP | Community Interaction Subsidy Program |
| CISS | Community Integrated Service System |
| CISSS | Centre Intégré de Santé et de Services Sociaux des Laurentides |
| CIT | Corporate Income Tax |
| CITC | Community Investment Tax Credit |
| CJ | Clapham Junction |
| CJS | Criminal Justice System |
| CKRA | Central Kentucky Research Associates |
| CL | Circular Letter |
| CLAIM | Community Leaders Assisting the Insured of Missouri |
| CLAN | Civic Local Affairs Network |
| CLAS | Culturally and Linguistically Appropriate Services |