Posted in Business & Finance, Government & Military, Information Technology, Organizations, Pop Culture, Science DTRA stands for Defense Threat Reduction Agency DTRA stands for Dirt Track Racing Association DTRA stands for Deseret Towers Recreation Area (Utah) DTRA stands for Data Terminal Ready A DTRA stands for Defense Technical Review Activity DTRA stands for Defense Technical Review Agency DTRA stands for Design Trade Resource Association DTRA stands for Dumbreck Tenants and Residents Association (UK)