| Abbreviation | Definition |
|---|---|
| CLTL | Common Lisp The Language |
| CLTW | Celtic Language Technology Workshop |
| CLU | Computing Language Utility |
| CLUE | Claim Loss Underwriting Exchange?? |
| CLUE | Comprehensive Liability Underwriting Exchange |
| CLUE | Comprehensive Loss Underwriting Exchange |
| CLV | Concordia Language Villages |
| CLWI | Chicago Latino Writers Initiative |
| CML | CrowdFlower Markup Language |
| CMLL | Center for Multiple Languages and Literacies |
| CMLL | Classical and Modern Languages and Literatures |
| CMLL | Classics Modern Languages and Linguistics |
| CMS | Chicago Manual of Style |
| CNLR | Center for the Neurobiology of Language Recovery |
| CNTL | Cognitive Neuroscience of Theatre and Literature |
| COBOL | Common Business Oriented Language |
| CODL | Circulation of Dutch Literature |
| COFW | Central Ohio Fiction Writers |
| COL | Communications Oriented Language |
| COL | Coordinator Of Official Languages |