DCE may refer to:

Science

Dichloroethanes, organic solvents Dichloroethenes, also called dichloroethylene, organic solvents Dynamic contrast enhanced, a type of perfusion MRI

Computing

Data circuit-terminating equipment, also called data communication(s) equipment or data carrier equipment Data Center Ethernet Desktop Compositing Engine, now Desktop Window Manager, a component of Microsoft Windows Distributed Computing Environment, a specification from The Open Group Dead-code elimination, a kind of compiler optimization Digital Consumer Enablement, a non-neutral term for Digital rights management

Organisations

Delhi College of Engineering, University of Delhi, India Dalian Commodity Exchange Drum Corps Europe

Other uses

Daly Cherry-Evans Detailed City Experience Digital currency exchanger