Editing Janus (disambiguation)

{{wiktionary|Janus|-ianus}}
'''[[Janus]]''' is the two-faced Roman god of gates, doors, doorways, beginnings, and endings.

'''Janus''' may also refer to:
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== 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 ==
* {{ill|Janus Patera|it}}, a shallow volcanic crater on [[Io (moon)|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

== Performing arts ==
=== 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)|''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 (film)|Judge Dredd]]''

=== Other performing arts ===
* [[Janus (play)|''Janus'' (play)]], a 1955 Broadway romantic comedy
* [[Janus (TV series)|''Janus'' (TV series)]], an Australian drama television series

== Printed media ==
===Comics===
* [[Janus (comics)]], a list of characters
* [[Janus (Marvel Comics)]], Marvel Comics character
* Janus, DC Comics character known as [[Two-Face]]
* Janus, [[List of Angels & Demons characters|character in the novel ''Angels & Demons'']]

===Other printed media===
* [[Janus (journal)|''Janus'' (journal)]] (1896–1990), an academic journal on history of science and medicine published in Amsterdam
* [[Janus (science fiction magazine)|''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#Nomenclature|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)|''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 particles|Janus particle]], an amphiphilic particle with a surface that is half hydrophilic half hydrophobic
*  [[Transition metal dichalcogenide monolayers#Janus TMD monolayers|Janus TMD monolayers]], a type of asymmetric [[Transition metal dichalcogenide monolayers|transition-metal dichalcogenide monolayers]]
* [[Janus (spacecraft)]], a NASA mission to binary asteroids

== Transportation and vehicular ==
* [[Janus (1810 ship)|''Janus'' (1810 ship)]] (1810–1832), built in New York, U.S.
* [[HMS Janus|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]]

==See also==
*[[Janis (disambiguation)]]
*[[Janice (disambiguation)]]
*[[Janusz]]
*{{look from|Janus}}
*{{in title|Janus}}

{{disambiguation|given name}}