Demos may refer to:
Computing
- DEMOS, a Soviet Unix-like operating system
- DEMOS (ISP), the first internet service provider in the USSR
- Demos Commander, an Orthodox File Manager for Unix-like systems
- plural for Demo (computer programming)
Organizations
- Demos (UK think tank), London-based public policy research organisation and publisher
- Demos (U.S. think tank), a public policy research and advocacy organization
- DEMOS (Republika Srpska), a political party in Republika Srpska
- DEMOS (Montenegro), a parliamentary political party in Montenegro
- DEMOS (Slovenia), a coalition of democratic political parties in Slovenia
- Demos Helsinki, a think tank in Finland
- Demos Medical Publishing, a publisher of books on medical subjects
- Solidary Democracy, a political party in Italy
- Democracy and Solidarity Party, a political party in Romania
Arts and entertainment
- Demos (film), a 1921 silent film
- Demos (novel), an 1886 novel by George Gissing
- Demos Journal, an Australian literary and political journal
Music
- Demos, 1982-86, a set of recordings by Swedish pop artist Per Gessle
- Demos (Crosby, Stills & Nash album), a 2009 album by Crosby, Stills & Nash
- Demos (Edith Frost album), 2004 album by Edith Frost
- Demos (Imperial Drag album), 2005 album by Imperial Drag
- Demos (Matt Skiba album), a 2010 album by Matt Skiba
- The Demos (Jess Moskaluke album), 2021 album by Jess Moskaluke
- The Demos (Rebecca Hollweg album)
- Demos, an EP by the Ramones which features four of the five demos recorded with Alan Betrock in the summer of 1975
- The Demos (Father John Misty EP)
- Cowboys from Hell: The Demos, by Pantera
People
- Demos Chiang (born 1976), Taiwanese businessman
- Demos Goumenos (born 1978), Cypriot football midfielder
- Demos Shakarian (1913–1993), Christian businessman of Armenian origin from Los Angeles
- George Demos (born 1976), former U.S. Securities and Exchange Commission prosecutor, and former congressional candidate
Other uses
- Demos, the ruling body of free citizens in ancient Greek city-states, such as Athens, a root of the word democracy
- Demos, the personification of the previous meaning, treated as a deity
- Demos, the Greek meaning as a rhetorical term in English
- Deme, (Greek: demos) a municipal subdivision of ancient Attica, Greece
See also
- The Demos Remastered: Anthology 1, a Black 'n Blue compilation album
- Unlabeled - The Demos, a 2006 EP by the American singer Leah Andreone
- Eindhovense Studentenvereniging Demos, a student association in the Netherlands
- Deimos (moon), one of the two moons of Mars
- Demo (disambiguation)
- Deimos (disambiguation)
- Demoz (disambiguation)
- Demonstration (disambiguation)