Sierra de Cádiz (Spanish: "Cádiz Mountains") is a comarca (county, but with no administrative role) province of Cádiz (Andalusia, southern Spain).

Most of the comarca's territory falls within the Sierra de Grazalema Natural Park, a protected area.

This comarca was established in 2003 by the Government of Andalusia.

[2][3] The Sierra de Cádiz comarca includes the following municipalities: