Redruth South is an electoral division of Cornwall in the United Kingdom and returns one member to sit on Cornwall Council. The current Councillor is Ian Thomas, an Independent.
Redruth South (styled as Redruth (South) until 1985) was also an electoral division returned one member to Cornwall County Council between 1973 and the abolition of the council in 2009. Kerrier District Council also had a division called Redruth South which returned three members between 1979 and the abolition of the council in 2009.
The current Cornwall Council division covers the south of Redruth as well as the hamlet of Church Town. Parts of Carn Brea Village are also included (the village being covered mostly by Four Lanes division).