Cardiff South

Cardiff South may refer to:

Australia

 * Cardiff South, New South Wales, a suburb of the City of Lake Macquarie, Australia
 * South Cardiff FC, a soccer club based in Cardiff South, Newcastle, Australia

Wales

 * Cardiff South (UK Parliament constituency), a former borough constituency
 * Cardiff South and Penarth (UK Parliament constituency), a constituency created in 1983
 * Cardiff South and Penarth (Senedd constituency), a constituency created in 1999
 * South (Cardiff electoral ward), a former electoral ward