South is an English surname. Notable people with the surname include:

George South (born 1962), American professional wrestler Harry South (1929–1990), British composer Sir James South (1785–1867), British astronomer Joe South (1940–2012), American singer-songwriter Melanie South (born 1986), British tennis player Robert South (1634–1716), English churchman Seán South (1929–1957), Irish Republican Army leader William South, several people