- DUET stands for Dhaka University of Engineering and Technology (Bangladesh)
- DUET stands for Diversified Utility and Energy Trusts (Australia)
- DUET stands for Development of University English Teaching
- DUET stands for Direct Universal Electronic Transaction
- DUET stands for Duke University Equestrian Team (Durham, NC; est. 1976)
- DUET stands for DAML (DARPA (Defense Advanced Research Projects Agency) Agent Markup Language) UML (User Mode Linux) Enhanced Tool
DUET