| Acronym | Definition |
|---|
| CPTC | Certified Professional Technical Communicator (Society for Technical Communication certification) |
| CPTC | Clover Park Technical College (Lakewood, Washington) |
| CPTC | California Private Transportation Company |
| CPTC | Comité pour les Transports en Commun (French: Committee for Public Transport) |
| CPTC | Chicago Pneumatic Tool Company (Illinois) |
| CPTC | Crop Protection Technology Conference (Illinois) |
| CPTC | Club Performance du Traîneau a Chiens (French dog sled club) |
| CPTC | Clinical Proteomic Technologies for Cancer (biomedical research initiative) |
| CPTC | Certified Procurement Transplant Coordinator |
| CPTC | Canadian Power Toboggan Championships |
| CPTC | Central Pennsylvania Triumph Club |
| CPTC | Command Performance Theater Company (est. 2009; Minnesota) |
| CPTC | Cleaner Production Technology Center |