List of language creators

A conlanger /ˈkɒnlæŋər/ is a person who invents conlangs (constructed languages).

Professional conlangers

Individuals who have been hired to create languages.

• Victoria Fromkin - Paku (a.k.a. Pakuni)
• Paul Frommer - Na'vi, Barsoomian
• Marc Okrand - Klingon, Vulcan, Atlantean
• Matt Pearson - Thhtmaa
• David J. Peterson - Dothraki, Valyrian, Kastithanu, L'Irathi, Indojisnen, Sondiv, Shiväisith, Lishepus, Trigedasleng, Noalath, Inha, Munja'kin
• Wolf Wikeley - Tho Fan

Published international-auxiliary conlangers

"Auxlangers" are conlangers who have created languages intended for international communication.

• Louis de Beaufront
• Léon Bollack
• James Cooke Brown
• Louis Couturat
• George Boeree
• Alexander Gode
• Ján Herkeľ
• Lancelot Hogben
• Otto Jespersen
• Juraj Križanić
• Matija Majar
• Vojtěch Merunka
• Jackson Moore
• Charles Kay Ogden
• Giuseppe Peano
• Kenneth L. Pike
• Waldemar Rosenberger
• Johann Martin Schleyer
• Kenneth Searight
• Jan van Steenbergen
• Edgar de Wahl
• L. L. Zamenhof

Published fictional conlangers

Conlangers whose work has been published in books or other media that they created:

• Richard Adams: Lapine, in Watership Down
• Hector Berlioz
• Anthony Burgess: Nadsat in A Clockwork Orange & a prehistoric language in Quest for Fire.
• Samuel R. Delany
• Suzette Doctolero: Enchanta from the Encantadia Saga.
• Diane Duane
• Suzette Haden Elgin: Láadan, in the Native Tongue series
• Václav Havel
• Frank Herbert
• M.A.R. Barker: Tsolyáni for Tékumel
• Hergé
• Ursula K. Le Guin
• Barry B. Longyear
• Morioka Hiroyuki
• George Orwell: Newspeak, in Nineteen Eighty-Four
• Lynne Sharon Schwartz: in The Writing on the Wall
• J. R. R. Tolkien: more than twenty languages including Quenya, Sindarin, Khuzdul; see Languages constructed by J. R. R. Tolkien
• Karen Traviss: Mando'a in the Star Wars expanded universe
• Christian Vander
• Tad Williams: Higher Singing in Tailchaser's Song
• Marion Zimmer Bradley
• Robert Jordan: The Old Tongue in The Wheel of Time
• Christopher Paolini: The Ancient Language in the Inheritance Cycle (Eragon and its sequels)