written

Writers and linguists have created over 200 entirely new languages over the millennia for use in literature, films, games, comic books, television shows, etc.

According to TranslationDirectory.com (cited below), here is a list:

Literature

• AdunaicfromJ. R. R. Tolkien’s works
• Aklo,Tsath-yo, andR’lyehianare ancient and obscure languages in the works ofH. P. Lovecraft,Clark Ashton Smith, and others. Aklo is considered by some writers to be thewritten languageof theSerpent People
• Amtorian, spoken in some cultures on the planetVenusinPirates of VenusbyEdgar Rice Burroughsand several sequels. Judged by critic Fredrik Ekman to have “a highly inventive morphology but a far less interesting syntax.”
• Ancient Language in theInheritance TrilogybyChristopher Paolini(although this is considered to be a cipher of English by many)
• Angley,UnglishandIngliss– three languages spoken respectively at Western Europe, North America and the Pacific in the 29th Century world ofPoul Anderson’s “Orion Shall Rise”. All derived from present-day English, the three are mutually unintelligible, following 800 years of separate development after a 21st centurynuclear warand the extensive absorption of words and grammatical forms fromFrenchin the first case,Russian,ChineseandMongolianin the second, andPolynesianin the third.
• Anglic, the dominant languague of the declining Galactic empire depicted inPoul Anderson’sDominic Flandryseries, is descended from present-day English but so changed that only professional historians or linguists can understand English texts.
• Anglo-French, in thealternate historyworld of theLord Darcystories byRandall Garrett– where England and France were permanently united into a single kingdom byRichard the Lionheartand their languages consequently merged.
• asa’pili (“world language”), inbolo’bolo, by Swiss authorP.M..
• Atreides battle, inDunebyFrank Herbert
• Babel-17, inBabel-17bySamuel R. Delany
• Baronh, language of Abh inSeikai no Monsho(Crest of the Stars) and others, byMorioka Hiroyuki
• Black Speech– language ofMordorinThe Lord of the Rings
• Bokonon– language of the Bokononism religion in Kurt Vonnegut’s “Cat’s Cradle”
• Chakobsa, a language used in theDunenovels byFrank Herbert
• Codex SeraphinianusbyLuigi Serafiniappears to be written in a constructed language which is presumably the language of the alien civilization the book describes
• CommonThe language spoken in a wide variety of fantasy fiction, particularlyDungeons and Dragons.
• D’HaranThe ancient, dead language of pre-Great War New World (D’Hara, Midlands, and Westland) in Terry Goodkind’s “Sword of Truth” series.
• Drac, language of the alien species inBarry B. Longyear’sEnemy MineandThe Enemy Papers
• Kad’k, the language of theDwarfsinTerry Pratchett’sDiscworld
• Earthseabooks (byUrsula K. Le Guin)
• Language of the Making – the basis of all magic, spoken byDragonsas their native tongue and learned with considerable effort by human mages
• Hardic– linguistically descended from the above
• Osskilian, andKargish– a different family of languages, distantly related
• Elemeno, language of two sisters inCaucasiabyDanzy Senna.
• Fremen, language of the native people of Arrakis, inDuneand other novels byFrank Herbert
• Galactic Standard SpeechinAsimov’ “Foundation series”. Inhabitants of the planetFomalhautspeak “an extremedialect” of it.
• GalacticspeakfromThe Hitchhiker’s Guide to the Galaxy
• Gobbledygook, the language ofgoblins, in theHarry Potterseries. Noted speakers includeAlbus DumbledoreandBarty Crouch.
• Glide, created byDiana Reed Slattery, used by the Death Dancers ofThe Maze Game
• Groilish, spoken bygiantsinGiants and the JonesesbyJulia Donaldson.
• High Speechof Gilead from Stephen King’sThe Dark Tower (series)
• Ilythiiri, the language ofdrowelves inForgotten Realmssetting.[2]
• Kesh, inUrsula K. Le Guin’s novelAlways Coming Home
• Krakish, inGuardians of Ga’HoolebyKathryn Lasky
• Láadan(ldn), inSuzette Haden Elgin’s science fiction novelNative Tongueand sequels
• Lapine, inWatership DownbyRichard Adams
• LilliputianfromJonathan Swift’sGulliver’s Travels. Further samples of the language are provided inT. H. White’sMistress Masham’s Repose. InGulliver’s Travels, other fictional languages, spoken in other places Gulliver visits, are also presented, e.g.Brobdingnagian,Laputan,BalbinarbianandHouyhnhnmlanguages.
• Mando’a, created byKaren Traviss, used by theMandaloriansin theStar WarsRepublic CommandonovelsHard ContactandTriple Zero
• Manganiin theTarzannovels ofEdgar Rice Burroughs
• Marain, inThe Culturenovels ofIain M. Banks
• Thelanguages of Middle-earth(most notablySindarin(sjn),Quenya(qya) andKhuzdul) byJ. R. R. Tolkien, partly published inThe Lord of the Rings, and posthumously discussed inThe History of Middle-earthandother publications.
• MolvanianfromMolvania, A Land Untouched By Modern Dentistry
• Nadsatslang, inA Clockwork OrangebyAnthony Burgess
• Newspeak, inNineteen Eighty-FourbyGeorge Orwell(fictional constructed language)
• The “NautilusLanguage”, spoken on boardJules Verne’s famous fictional submarine, in token of crew members having completely renounced their former homelands and backgrounds. Every morning, after scanning the horizon with his binoculars, Nemo’s second-in-command says: “Nautron respoc lorni virch”. The meaning of these words is never clarified, but their construction seems to indicate that the “Nautilus Language” (its actual name is not given) is based on European languages.
• Old Solar, inOut of the Silent Planet,Perelandra, andThat Hideous StrengthbyC. S. Lewis
• TheOld TonguefromRobert Jordan’sWheel of Timeseries
• Paluldonianin aTarzannovel,Tarzan the Terrible, byEdgar Rice Burroughs. Used by the inhabitants of the realm of Pal-ul-don in Africa, separated from the outside world by impenetrable marshes.
• Parseltongue, the language ofsnakes, in theHarry Potterseries. The ability of humans to speak it is considered amagicability.
• Pennsylvanisch, fromMichael Flynn’sThe Forest of Time
• PravicandIotic, inThe DispossessedbyUrsula K. Le Guin
• Ptydepe, fromVáclav Havel’s playThe Memorandum
• QuintagliofromRobert J. Sawyer’sQuintaglio Ascension Trilogy
• QuenyafromJ. R. R. Tolkien’s works.
• QwghlmianfromNeal Stephenson’sCryptonomiconandThe Baroque Cycle
• Rihannsu, spoken by the Rihannsu (Romulans) in theStar Treknovels ofDiane Duane
• Spocanian, inRolandt Tweehuysen’s fictional countrySpocania
• Stark(short for Star Common), a common interstellar English-based language fromOrson Scott Card’sEnderseries
• Starsza MowafromAndrzej Sapkowski’sHexer saga
• Trolllanguage fromTerry Pratchett’sDiscworld
• Utopian language, appearing in a poem byPetrus GillesaccompanyingThomas More’sUtopia
• Whitmanite, spoken by members of a radicalAnarchist-Pacifistcult of the same name inRobert Heinlein’The Puppet Masters. “Allucquere” is a female given name in Whitmanite.
• Zaum, poetic tongue elaborated byVelimir Khlebnikov,Aleksei Kruchonykh, and otherRussian Futuristsas a “transrational” and “most universal” language “of songs, incantations, and curses”.

Comic books

• Bordurianin some ofHergé’sThe Adventures of Tintin, mostly inThe Calculus Affair
• Interlac, the universal language spoken in the 30th century in theLegion of Super Heroescomics
• Kryptonese, or Kryptonian, the language of Superman’s home planet ofKrypton
• Syldavian, in some ofHergé’sThe Adventures of Tintin, mostly inKing Ottokar’s Sceptre
• Movies and television
• Two kinds ofalien language, termed “Alienese” and “Beta Crypt 3” appear quite frequently in background sight gags inFuturama.
• Ancientin theStargateuniverse (i.e.Stargate SG-1andStargate Atlantis) is the language of the Ancients, the builders of theStargates; it is similar in pronunciation toMedieval Latin. TheAthosianssay prayers in Ancient.
• Atlanteancreated byMarc Okrandfor the filmAtlantis: The Lost Empire
• Cityspeak, a “mishmash of Japanese, Spanish, German,” plus Hungarian and French, spoken on the street of overcrowded and multi-lingual Los Angeles of 2019 inBlade Runner. Similarly, used in manycyberpunkgenrerole playing games.
• The Divine Languageis a language invented by directorLuc Bessonand actressMilla Jovovichfor the 1997 movieThe Fifth Element.
• Enchanta, in theEncantadiaandEtheriatelevision series in the Philippines, created by the head writerSuzette Doctolero
• Gelfling, spoken inJim Henson’s fantasy epicThe Dark Crystal
• Goa’uld, the galacticlingua francafromStargate SG-1, supposedly influencedAncient Egyptian
• Huttese, language of both alien species and people in some ofGeorge Lucas’sStar Warsfilms
• Irken, inInvader Zim, byJhonen Vasquez,et al.
• Klingon(tlh), in theStar Trekmovie and television series, created byMarc Okrand
• KrakozhianfromThe Terminal
• Ku, a fictional African language in the movieThe Interpreter(2005)
• Linguacode, a universallanguagecode sometimes used by theUnited Federation of Planetsin theStar Trektelevisionseries.
• Marklar, spoken by the people of Marklar in aSouth Parkepisode.
• MinbarifromBabylon 5, three related languages used together, corresponding to the areas of expertise of the three societal castes.
• Nadsat, the fictional language spoken by Alex and his friends inClockwork Orange
• Nellish, a personal language from the main character ofNell
• PakufromLand of the Lost
• PortuGreek, the trade language featured inWaterworld
• The pseudo-Spanish/Greek/Arabic language of Republica, as used in the fictionalChanel 9program within the British comedy sketch show theThe Fast Show
• Quenya(qya) andSindarin(sjn), the two Elven languages, spoken in theLord of the Ringsmovies.
• Slovetzian, the fictional Slavic language ofSlovetziain the movieThe Beautician and the Beast
• TheStar Warsseries features several fictional languages.
• Tenctonesefrom theAlien Nationmovie andtelevision series, created byVan LingandKenneth Johnson
• UnasinStargate SG-1, supposedly the first hosts of the Goa’uld
• Ulam, language spoken by the prehistoric humans inAnthony Burgess’ movieQuest for Fire, created by melting roots of European languages.
• Vampirelanguage used in the movieBlade.
• Vulcan languagefromStar Trek
• Unnamed languages
• In theJanissaries seriesofscience-fictionnovels byJerry Pournelle, the human natives of the planet Tran speak a language apparently derived fromMycenaean. A form of Latin is also spoken in an empire resembling ancient Rome’s, but only by scholars.
• Riddley Walker, a 1980 novel byRussell Hoban, set in a post-apocalyptic future, is written entirely in a “devolved” form of English.
• Writer/directorLuc Bessoninvented aDivine LanguageforMilla Jovovich’s character “Leeloo” to speak in the filmThe Fifth Element.
• Music
• Gulevache: fictionalRomance Languageof the kingdom of Gulevandia on the bilingual operaCardoso en Gulevandiaby the comedy groupLes Luthiers
• Kobaian, the language used by 70’s French rock groupMagma.
• Vonlenska, sometimes known as “Hopelandic”, the language sung byJón Þór Birgissonof theIcelandicband “Sigur Rós” on many of their songs.
• Loxian, featured on theEnyaalbumAmarantine.
• Unnamed language by Yves Barbieux, used in his song “Sanomi” and performed by the Belgian groupUrban Tradin the Eurovision Song contest in 2003.
• Mohelmot, a forbidden language used byThe Residentson the albumThe Big Bubble: Part Four of the Mole Trilogy.
• Unnamed language by Emmanuelle Orange, used in her song Pialoushka and performed by Montreal bandEden106.
• Unnamed language featured in thechorusof2NU’s 1991 trackThis is Ponderous.
• Unnamed language featured in the soundtrack to the film1492: Conquest of ParadisebyVangelis.

—WTF fun facts

Source: “List of constructed languages” — TranslationDirectory.com