| Abbreviation | Definition |
|---|---|
| CLAY | Canadian Lutheran Anglican Youth |
| CLB | Canada Language Benchmarks |
| CLB | Canada Learning Bond |
| CLB | Canadian Language Benchmark |
| CLB | Canadian Language Benchmarks |
| CLDL | Canadian Labour Defence League |
| CLDN | Canadian Lightning Detection Network |
| CLF | Canadian Liver Foundation |
| CLFA | Canada Law from Abroad |
| CLFE | Community Living Fort Erie |
| CLFE | Community Living – Fort Erie |
| CLFE | Community Living ??? Fort Erie |
| CLGA | Canadian Lesbian Gay Archives |
| CLGA | Canadian Livestock Genetics Association |
| CLHIA | Canadian Life and Health Insurance Association |
| CLIME | Canadian Leadership Institute for Medical Education |
| CLIS | Canadian Labour Insurance Services |
| CLLC | Canadian Language Learning Centre |
| CLM | Canadian Liberation March |
| CLMC | Canadian Laboratory Medicine Congress |