Demo may refer to:
- Demo (music), a song recorded for reference rather than release
- Technology demo, a prototype version of a technology product, to showcase its forthcoming ideas, performance, method or features
- Software prototyping, in particular; release of prototype versions of in-progress software
- Demoware, software that users can test in a limited fashion before buying
- Game demo, more narrowly; a freely-distributed "try-out" version of a video game, usually fully playable but incomplete
- Demo (computer programming), a non-interactive multimedia presentation, a type of digital art
- Demoscene, collectively, the digital artists who create demos
- Demo (comics), a comic book series by Brian Wood and Becky Cloonan
- DEMO, a proposed experimental nuclear fusion reactor
- Demo (techno group) (демо), a Russian techno music group
- Demo mode, a feature often found in consumer electronics, which shows the owner the features of the machine
- Demo (company), a co-developer of the ZSNES Super Nintendo emulator and the ePSXe PlayStation emulator
- A sales or marketing presentation
- An alternate term for an exhibition game in sports
- Performance of a demonstration sport
- Design and Engineering Methodology for Organisations, a business process (re)design methodology.
See also
- Demonstration (disambiguation page)
- Democide, the murder of any person or people by a government
- Democracy, a small number of related forms of government
- Demography, the statistical study of human populations
- Demolition, the tearing-down of buildings and other structures
