| Abbreviation | Definition |
|---|---|
| CLIC | Cooperating Libraries In Consortium |
| CLIC | Cooperating Libraries In Corsortium |
| CLIC | Creighton Libraries Information Catalog |
| CLIC | Creighton Library Information Cataloging |
| CLICKS | Citizens Library Of Illinois Comprehensive Knowledge Service |
| CLIK | Consolidated Library of Information and Knowledge |
| CLIM | Computer Library And Information Management |
| ClinRes | Clinical Research |
| ClinToxicol | Clinical Toxicology |
| CLIO | Cerritos Library Information Online |
| CLIO | Columbia Libraries Information Online |
| CLIP | Carnegie Libraries in Iowa Project |
| CLIP | Class Library For Image Processing |
| CLIP | Cooperative Library Instruction Project |
| CLIR | Committee on Libraries and Information Resources |
| CLIR | Council for Library and Information Resources |
| CLIR | Council on Library and Information Resources |
| CLIS | Certificate of Library and Information Science |
| CLL | Center Line Library |
| CLLB | Criminal Law Library Blog |