Posted in Business & Finance, Government & Military, Organizations, Science DTAA stands for Double Taxation Avoidance Agreement (India) DTAA stands for Division of Trade Adjustment Assistance (US DOL) DTAA stands for Dance, Theatre, & Arts Administration (Akron, OH) DTAA stands for Diffusion Technique et Application Audio Visuelle (French: Audio Visual Technology and Application Distribution) DTAA stands for Dance-Movement Therapy Association of Australia (Victoria, Australia) DTAA stands for Descending Thoracic Aortic Aneurysm (radiology)