The Jakaltek /hɑːkəlˈtɛk/[2] (Jacaltec) language, also known as Jakalteko (Jacalteco) or Poptiʼ,[3] is a Mayan language from the Q’anjob’alan-chujean branch spoken by the Jakaltek people in some municipalities in the state of Chiapas, Mexico and the municipality of Jacaltenango in the department of Huehuetenango, Guatemala in the border between both countries.

Jakaltek was the language spoken by the population of the site of El Lagartero, in the present day municipality of La Trinitaria in Chiapas, Mexico, the site was inhabited from 300 AD to 1400 AD between the late classic and postclassic period of Mesoamerica.

[5] In Mexico, Jakaltek is mainly spoken in the state of Chiapas in the communities of Bienestar Social, Flor de Mayo, Guadalupe Victoria, Ojo de Agua, Pacayalito and Huixquilar from the municipality of Amatenango de la Frontera, in Los Pocitos from the municipality of Bella Vista, in El Mango, Frontera Comalapa and Sunzapote from the municipality of Frontera Comalapa and in El Vergel Dos, La Campana, La Gloria, El Colorado and Nuevo Villaflores from the municipality of La Trinitaria.

[6] Municipalities in Huehuetenango where Jakaltek is spoken include the following (Variación Dialectal en Poptiʼ, 2000).

Jakaltek-language programming is carried by the INPI's radio station XEVFS, broadcasting from Las Margaritas, Chiapas.