Reddish South is an electoral ward in the Metropolitan Borough of Stockport. It elects three councillors to Stockport Metropolitan Borough Council using the first past the post electoral method, electing one councillor every year without election on the fourth. It covers the southern part of Reddish, including parts of Heaton Norris and Heaton Chapel. Together with Reddish North it forms part of the Denton and Reddish Parliamentary Constituency.