Southern Pannonia may refer to:
in geography, southern regions of the Pannonian Basin in ancient history, southern regions of the Roman Province of Pannonia, including: late Roman Province of Pannonia Savia, and late Roman Province of Pannonia Secunda in medieval history, early medieval Slavic Principality of Lower Pannonia (Pannonia inferior) and the Balaton Principality
See also Northern Pannonia (disambiguation)