| Abbreviation | Definition |
|---|---|
| CCTF | Core Competencies Task Force |
| CDE | Computer Desktop Encyclopedia |
| CDL | California Digital Library |
| CDL | Clariion Disk Library |
| CDLA | Carolina Digital Library and Archives |
| CDLAB | Connecticut Digital Library Advisory Board (Middletown, CT) |
| CDLC | Capital District Library Council |
| CDLC | Cultural District Library Consortium |
| CDLI | Cuneiform Digital Library Initiative |
| CDLN | Central Dakota Library Network |
| CDLR | Centre for Digital Library Research |
| CDML | Collaborative Digitization of Medical Libraries |
| CDOBL | Casa De Oro Branch Library (Spring Valley, CA) |
| CDPL | Crawfordsville District Public Library |
| CDT | Current Dental Terminology |
| CE | Christian Endeavo(u)r |
| CE | Cincinnati Enquirer |
| CEAL | Council on East Asian Libraries |
| CECIL | C Eiffel Call In Library |
| CECIL | Children Early Childhood In Libraries |