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

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
  • Deme (Greek: demos), a municipal subdivision of ancient Attica, Greece
  • Dímoi (singular: dímos), in modern Greece, a municipal subdivision of modern Greece
• Demos, the personification of the previous meaning, treated as a deity

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)