DEP
- DEP International
- Data Execution Prevention
- DeP (musician)
- Delayed Entry Program
- Democracy Party (Turkey)
- Dep (city)
- Dep (magazine)
- Dep (river)
- Dep, Iran
- Department of Environmental Protection (disambiguation)
- Dependency (disambiguation)
- Deptford railway station
- Dielectrophoresis
- Diethyl phthalate
- Diethylphosphite
- Dépanneur
- The Dillinger Escape Plan