- DSTA stands for Démence Sénile, de Type Alzheimer (French: Senile Dementia, Alzheimer Type)
- DSTA stands for Defence Science and Technology Agency (Singapore)
- DSTA stands for Dutch State Treasury Agency
- DSTA stands for Defense & Security Technology Accelerator (military business program; Fayetteville, NC)
- DSTA stands for Denver Security Traders Association
- DSTA stands for Double Steel Tape Armoured (cable insulation)
- DSTA stands for Disulfotetraazaadamantane
DSTA