| Acronym | Definition |
|---|
| DTTC➣Desmond Tutu Tuberculosis Centre (University of Stellenbosch; Stellenbosch, South Africa) |
| DTTC➣Diploma in Travel and Tourism Consulting |
| DTTC➣Design and Test Technology Conference (Intel Corporation) |
| DTTC➣Digital Thermometer, Timer & Clock |
| DTTC➣Department of Trade, Tourism and Competitiveness |
| DTTC➣Dynamic Temporal and Tactile Cueing for Speech Motor Learning (speech pathology) |
| DTTC➣Digital Television Transition Coalition (US) |
| DTTC➣Deloitte Touche Tohmatsu CPA (Certified Public Accountants) Limited (Beijing, China) |