The Roman Catholic Diocese of San Cristóbal de Las Casas () (erected 19 March 1539 as the Diocese of Chiapas, renamed 27 October 1964) is a suffragan diocese of the Archdiocese of Tuxtla.
The Roman Catholic Diocese of San Cristóbal de Las Casas, established on 19 March 1539 as the Diocese of Chiapas and later renamed in 1964, serves as a dependent diocese within the larger jurisdiction of the Archdiocese of Tuxtla.