Paisley South was a constituency of the Scottish Parliament (Holyrood).

It was also one of nine constituencies in the West of Scotland electoral region, which elected seven additional members, in addition to nine constituency MSPs, to produce a form of proportional representation for the region as a whole.

The other eight constituencies of the West of Scotland region were: Dumbarton, Clydebank and Milngavie, Cunninghame North, Eastwood, Greenock and Inverclyde, Paisley North, Strathkelvin and Bearsden and West Renfrewshire.

[1] The Holyrood constituency was entirely within the Renfrewshire council area.

The West Renfrewshire constituency also covered a portion of the Inverclyde council area.