| Abbreviation | Definition |
|---|---|
| CLPT | Competing Language Processing Task |
| CLR | Commomn Language Runtime |
| CLRC | Children's Literature Research Collection |
| CLS | Center for Language Science |
| CLS | Center for Language Study |
| CLS | Common Language Specification |
| CLS | Common Language Specification?? |
| CLS | Common Language Specifications |
| CLS | Critical Language Scholarship |
| CLSC | Chinese Language School of Columbia |
| CLSP | Critical Language Song Project |
| CLSP | Critical Languages Song Project |
| CLST | Centre for Language and Speech Technology |
| CLT | Centre for Language Training |
| CLT | Chinese Literature Today |
| CLTA | Center for Language Training Assessment |
| CLTA | Centre For Language Training And Assessment |
| CLTA | Centre For Language Training Assessment |
| CLTA | Chinese Language Teachers Association |
| CLTASA | Chinese Language Teachers Association of South Australia |