Halcyon

• Halcyon (TV series), a Canadian virtual reality murder mystery on SyFy
• The Halcyon, British period drama on ITV

• Halcyon (console), a video-game console
• Halcyon (role-playing game), an indie role-playing game
• Halcyon, a fictional star system in the action role-playing game The Outer Worlds

• Halcyon Records, a record label founded by Marian McPartland

• Halcyon (album), a 2012 Ellie Goulding album, also the title song
• Halcyon (Best Of), a 2005 album by Orbital
• Halcyon, a 1996 EP by Solstice

• "Halcyon" (Chicane song), 2000
• "Halcyon" (Delphic song), 2010
• "Halcyon" (Orbital song), 1992
• "Halcyon", by Andy Moor, 2005
• "Halcyon", by ATB from Dedicated, 2002
• "Halcyon", by Enter Shikari from Common Dreads, 2009
• "Halcyon", by Glass Towers, 2013
• "Halcyon", by Invent Animate from Greyview, 2020
• "Halcyon", by Noisia and The Upbeats, 2019
• "Halcyon", by Spiritbox from Eternal Blue, 2021
• "Halcyon", by Windhand from Eternal Return, 2018
• "Halcyon (Beautiful Days)", by Mono from Walking Cloud and Deep Red Sky, Flag Fluttered and the Sun Shined, 2004
• "Halcyon: The Heavy Silence: In Silent Rain", by ...And Oceans from Cypher, 2002

• Halcyon (book), a collection of poems by Gabriele D'Annunzio, published in 1903
• Halcyon (Stargate Atlantis novel), a novel by James Swallow
• Halcyon, a comic book published by Image Comics
• Halcyone, a 1912 novel by Elinor Glyn

• Halcyon (dialogue), a short dialogue attributed to Plato
• The Halcyon Company, a film studio founded in 2007
• Halcyone, a 1915 painting by Herbert James Draper

• Halcyon Castle, a castle in Travancore, Kerala, India
• Halcyon (Forsyth County, Georgia) near Atlanta, a large mixed-use development
• Halcyon Gallery, a group of three art galleries in the United Kingdom
• Halcyon House, a Georgian style home in Washington, D.C., United States

• Halcyon, California, an unincorporated community
• Halcyon, Missouri, a ghost town
• Halcyon, West Virginia, an unincorporated community

• {{HMS|Halcyon}}, several ships of the British Royal Navy
• {{USS|Halcyon}}, more than one United States Navy ship
• Halcyon-class minesweeper, a type of British Royal Navy minesweeper
• {{ship|USFS|Halcyon}}, a research vessel in the fleet of the United States Bureau of Fisheries from 1919 to 1927
• Halcyon 23, a British sailboat design
• Halcyone, a sailing yacht built by J W Miller & Sons and launched in 1934

• Halcyon (genus), a genus of kingfishers
• Chrysler Halcyon, concept car
• Halcyone, alternate spelling of Alcyone, a figure in Greek mythology
• Halcyon Monitoring Solutions, a company that monitors performance of computer systems
• Halcyon Dive Systems, a diving equipment company that produces the Halcyon RB80 rebreather
• Halcyone Barnes (1913–1988), American collage artist and watercolor painter
• John Styn, also known as Halcyon Lujah, American blogger and entrepreneur
• Halcyon linear accelerator, produced by Varian Medical Systems
• Halcyon, a hypersonic airliner under development by Hermeus Corporation

• Alcione (disambiguation)
• Alcyone (disambiguation)
• Halcion (triazolam), an insomnia drug
• Halcyon Days (disambiguation)

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