| Acronym | Definition |
|---|
| CDTC | Continental Divide Trail Coalition (Pine, CO) |
| CDTC | Capital District Transportation Committee (New York) |
| CDTC | Child Development Training Consortium (Modesto, CA) |
| CDTC | Course Director Training Course (various organizations) |
| CDTC | Capital Dog Training Club (Silver Spring, MD) |
| CDTC | Ceramics Development & Training Complex (Pakistan) |
| CDTC | Cable Design Technologies Corporation (also seen as CDT; Schaumburg, IL) |
| CDTC | Controlled Descent through Cloud (aviation) |
| CDTC | Controlling Device for Transmission Control |