South Savo[3] (or Southern Savonia; Finnish: Etelä-Savo; Swedish: Södra Savolax) is a region in the south-east of Finland.

The total area of South Savo is 18,768.33 km2 (7,246.5 sq mi), with a population of 153,738 (2011).

For history, geography and culture see: Savonia South Savo was the main part of the old Mikkeli Province, established in 1831.

Suomenniemi became part of Etelä-Savo in 2013 when it merged with Ristiina to form the city of Mikkeli.

The region of South Savo consists of 12 municipalities, three of which have city status (marked in bold).