Cardiff South may refer to:

• 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

• 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

This disambiguation page lists articles associated with the title Cardiff South.
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