The Language Creation Society (LCS) is a non-profit organization founded in 2007 for the purpose of promoting the art, craft and science of language creation (conlanging) through conferences, books, journals, outreach activities, or other means.
Some of the most outstanding languages that have been actively promoted by the LCS:
- Dothraki (Game of Thrones) - David J. Peterson
- Elvish (The Lord of the Rings) - David Salo, Bill Welden (reconstruction based on Tolkien's manuscripts)
- Klingon (Star Trek) - Marc Okrand
- Na'vi (Avatar) - Paul Frommer