- DTAB stands for Drug Technical Advisory Board (India)
- DTAB stands for Dodecyl Trimethyl Ammonium Bromide
- DTAB stands for Demountable Tape Automated Bonding
- DTAB stands for Density Time after Bit (ocean drilling)
- DTAB stands for Diffusion Techniques Appliquées au Bâtiment (French: Diffusion Techniques Applied to Building)
- DTAB stands for Denver Traffic Ad Boards (Denver, CO)
- DTAB stands for Descending Thoracic Aorta Bifemoral (bypass; cardiology)
- DTAb stands for Direct Thyrotropin Receptor Autoantibody Binding Assay (microbiology)
DTAB