Posted in Business & Finance, Government & Military, Information Technology, Schools & Education, Science DTTC stands for Desmond Tutu Tuberculosis Centre (University of Stellenbosch; Stellenbosch, South Africa) DTTC stands for Diploma in Travel and Tourism Consulting DTTC stands for Design and Test Technology Conference (Intel Corporation) DTTC stands for Digital Thermometer, Timer & Clock DTTC stands for Department of Trade, Tourism and Competitiveness DTTC stands for Digital Television Transition Coalition (US) DTTC