CCTL
| Acronym | Definition |
|---|---|
| CCTL | Coordinator Control Subsystem |
| CCTL | Common Criteria Testing Laboratory (private laboratory, certified to conduct IT product Security Assessments for Information Assurance) |
| CCTL | Community College Teaching and Learning (program; University of Illinois) |
| CCTL | Chennai Container Terminal Ltd. (India) |
| CCTL | Clear Cell Tumor of the Lung (pathology) |
| CCTL | Castlemilk Community Transport Limited (est. 1996; UK) |
| CCTL | Committed Cytotoxic T Cell (internal medicine) |