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