DDTC
| Acronym | Definition |
|---|---|
| DDTC | Directorate of Defense Trade Controls |
| DDTC | Dauphin Dog Training Club (Harrisburg, PA) |
| DDTC | Dandie Dinmont Terrier Club (dog breed club; est. 1875; UK) |
| DDTC | Digital Deployed Training Campus |
| DDTC | Discrete Donut Twisted Chain (model of space and matter) |
| DDTC | Dayton Dog Training Club |
| DDTC | Datalink Delivery of Taxi Clearance (aviation) |