Janus (disambiguation)

Janus is the two-faced Roman god of gates, doors, doorways, beginnings, and endings.

Janus may also refer to:

Computing

 * Janus (concurrent constraint programming language)
 * Janus (DRM), a Microsoft Digital Rights Management platform
 * Janus (protocol), a file transfer protocol for use on bulletin board systems
 * Janus (time-reversible computing programming language)
 * JANUS clinical trial data repository, a standard supported by the U.S. Food and Drug Administration
 * Janus Recognition Toolkit (JRTk), a general purpose speech recognition toolkit
 * Janus, a codename used for Windows 2000 (DEC Alpha and Itanium 64-bit editions)
 * Janus attack, an alternative name of a Man-in-the-middle attack

People

 * Janus (given name)
 * Janus (surname)
 * Janus Prospero from the Resident Evil film series
 * Janus of Cyprus (1375–1432), king of Cyprus from 1398 to 1432
 * Janus I, Duke of Masovia
 * J'anus, the claimed stage name of Janis McGavin, a performer on Balls of Steel Australia

Astronomy

 * Janus Patera, a shallow volcanic crater on Io, a moon of Jupiter
 * Janus (moon), a moon of Saturn
 * Janus (star), the name given to the hydrogen-helium faced white dwarf star ZTF J203349.8+322901.1

Music

 * Janus Records, a record label
 * Janvs, a black metal band from Liguria, Italy
 * Janus (musical project), a German darkwave musical project established 1995
 * Janus (American band), hard rock band, established in the mid-1990s in Chicago, Illinois
 * Janus (album), the first full-length album released by Boyfriend

Film

 * Janus Films, an American film distribution company
 * Janus, the criminal organization in the James Bond movie GoldenEye
 * The Janus Project, a taboo cloning project in the movie Judge Dredd

Other performing arts

 * Janus (play), a 1955 Broadway romantic comedy
 * Janus (TV series), an Australian drama television series

Comics

 * Janus (comics), a list of characters
 * Janus (Marvel Comics), Marvel Comics character
 * Janus, DC Comics character known as Two-Face
 * Janus, character in the novel Angels & Demons

Other printed media

 * Janus (journal) (1896–1990), an academic journal on history of science and medicine published in Amsterdam
 * Janus (science fiction magazine), a feminist science fiction magazine published from 1975-1980
 * Janus: A Summing Up, a 1978 book by Arthur Koestler
 * The Janus branch of the Cahill family in The 39 Clues
 * Janus word or auto-antonym, a word with multiple meanings in which one is the reverse of another
 * Janus, a French poetry magazine published in Paris by Elliott Stein from 1950 to 1961
 * Janus (1971-2007), a British fetish magazine of erotic spanking and caning imagery.

Games and gaming

 * Janus Chess, a chess variant
 * Janus Zeal, a character in the game Chrono Trigger

Places

 * Janus Island, an island of the Palmer Archipelago, Antarctica
 * Mont Janus, a mountain near Mont Chaberton, France

Science

 * Janus (genus), a genus of stem sawflies in the family Cephidae
 * Janus-faced molecule, used to describe a molecule whose effects on organisms can vary between beneficial and toxic
 * Janus Experiments, a series of experiments on radio-sensitivity in mice and dogs
 * Janus kinase, an intracellular signalling molecule; component of the JAK-STAT signal system
 * Janus kinase inhibitor, a medication that inhibits the activity of the Janus kinase enzymes
 * Janus particle, an amphiphilic particle with a surface that is half hydrophilic half hydrophobic
 * Janus TMD monolayers, a type of asymmetric transition-metal dichalcogenide monolayers
 * Janus (spacecraft), a NASA mission to binary asteroids

Transportation and vehicular

 * Janus (1810 ship) (1810–1832), built in New York, U.S.
 * HMS Janus, a name used by British naval ships
 * Schempp-Hirth Janus, a German two-seater glider
 * Yorkshire Engine Company Janus, a British diesel shunting locomotive
 * Zündapp Janus, a bubble car model by Zündapp
 * Janus Motorcycles, a motorcycle manufacturer based in Goshen, Indiana

Other uses

 * Janus Capital Group, an investment company based in Denver, Colorado
 * Janus v. AFSCME, U.S. Supreme Court case (2018)
 * Society of Janus, a San Francisco-based BDSM education and support group
 * Janus, catalogue database of Cambridge University Library