| Abbreviation | Definition |
|---|---|
| CQL | Chess Query Language |
| CQL | Class Query Language |
| CQL | Code Query Language |
| CQL | Common Query Language |
| CQL | Content Query Language |
| CQL | Contextual Query Language |
| CQL | Cypher Query Language |
| CRC | Causal Relation Causal |
| CRLD | Centre for Research on Language Diversity |
| CRLP | California Reading and Literature Project |
| CRLP | California Reading Literature Project |
| CRLT | Combined Research and Language Training |
| CRSLP | Centre for Research in Speech and Language Processing (Chulalongkorn University; Bangkok, Thailand) |
| CRW | Center for Reading and Writing |
| CSA | Critical Skill Assessment |
| CSALT | Center for Speech and Language Technologies |
| CSCL | Cultural Studies and Comparative Literature |
| CSDL | Common Schema Definition Language |
| CSDL | computer system description languages |
| CSDL | Conceptual schema definition language |