| Abbreviation | Definition |
|---|---|
| CCAL | Computational Cancer Analysis Library |
| CCC | Common Catalogue Code |
| CCDL | Claremont Colleges Digital Library |
| CCEL | Christian Classics Ethereal Library |
| CCFLS | Crawford County Federated Library System |
| CCGL | Corpus Christi Geological Library |
| CCL | Core Cosmology Library |
| CCLA | College Center For Library Automation |
| CCLD | Camden County Library District |
| CCLD | Chemung County Library District |
| CCLI | California Conference on Library Instruction |
| CCLI | Corporate Committee for Library Investment |
| CCLL | Cook County Law Library |
| CCLN | Curry County Library Network |
| CCLS | Carver County Library System |
| CCLS | Chattooga County Library System |
| CCLS | Chautauqua Cattaraugus Library System |
| CCLS | Chester County Library System |
| CCLS | Clayton County Library System |
| CCM | Content and Collection Management |