A language creator, sometimes referred to as a conlanger (), is a person who invents constructed languages (or "conlangs").
Individuals who have been hired to create languages.
Individuals who have created languages intended for international communication.
Language creators whose work has been published in books or other media that they created:
Language creators whose languages are neither international auxiliary languages nor part of popular media, but are nonetheless significant among enthusiasts, have amassed a notable amount of speakers, or do not fit in other categories:
Toki Pona, a minimalist language which has gained a large following and several publications over the years since its creation in 2001.