- DIAD stands for DoN (Department of the Navy) Integrated Architecture Database
- DIAD stands for DMS (Defense Message System) Integrated Architectural Database
- DIAD stands for Delivery Information Acquisition Device (UPS)
- DIAD stands for Done in A Day
- DIAD stands for Detection of Ischemia in Asymptomatic Diabetics (clinical study)
- DIAD stands for Dépannage Informatique a Domicile (French: Troubleshooting Home Computer)
- DIAD stands for Design and Implementation for Active Directory (Microsoft)
- DIAD stands for Drum Information Assembler/Dispatcher
- DIAD stands for DIrectory ADvertising (Polylogics Consulting, Inc. software)
- DIAD stands for Diisopropyl azo dicarboxylate
- DIAD stands for Destruction of Integrated Air Defense
DIAD