The Prebaetic System (Spanish: Sistemas Prebéticos or Sistema Prebético, also often referred to simply as Prebético[1]) is a system of mountain ranges that forms the northeasternmost prolongation of the Baetic System in the southern Iberian Peninsula.

Unlike the other two subsystems of the Baetic System, it is not present in the western area, but begins west of the eastern edge of the Sierra Sur de Jaén near Martos.

The Prebaetic System runs along eastern interior Andalusia, across the Region of Murcia, reaching the Mediterranean Sea shores in the southern Valencian Community.

The Sierra de María in northern Almeria Province runs across the Prebaetic and the Penibaetic System, overlapping with both.

Some of the mountain ranges that make up the Prebaetic complex are, from west to east: