The Croydon South Constituency is the southern most of the three constituencies in the London Borough of Croydon. It includes the wards of Coulsdon East, Coulsdon West, Croham, Kenley, Purley, Sanderstead, Selsdon & Ballards and Waddon.
In the 2010 General Election, Richard Ottaway was elected Member of Parliament for Croydon South.