List of language inventors

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

Professional conlangers

Conlangers who have been hired to create languages.

• Marc Okrand - Klingon, Atlantean
• David J. Peterson - Dothraki language
• Matt Pearson - Thhtmaa (for the TV show Dark Skies)
• Rev. William Fulco - (reconstructed, rather than invented) the Aramaic of Jesus
• Herman Miller
• Paul Frommer - Na'vi language

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
• Alexander Gode
• Otto Jespersen
• Charles Kay Ogden
• Giuseppe Peano
• Kenneth L. Pike
• Waldemar Rosenberger
• Johann Martin Schleyer
• Kenneth Searight
• Edgar de Wahl
• Devine Lu Linvega
• Dr. 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
• 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
• Hergé
• Ursula K. Le Guin
• Barry B. Longyear
• Morioka Hiroyuki
• George Orwell - Newspeak, in Nineteen Eighty-Four
• J. R. R. Tolkien - Quenya, Sindarin, Khuzdul, etc. more than twenty. See Languages constructed by J. R. R. Tolkien
• Karen Traviss - Mando'a in the Star Wars expanded universe
• Christian Vander
• 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)
• Paul Frommer - The Language of the Na'vi in Avatar
• A.S.Clark- The Language of the Ramordi, Zalgou, Koseke, Elpre in The Arcane Lands series