Canlyniadau etholiadau ar gyfer De yr Wyddgrug

 Llafur Cymru Ennill Geoff Collett was wedi'i ethol with a majority of 2%. Cafodd cyfanswm o 1085 o bleidleisiau eu bwrw, representing a turnout of 50% .

Table of main parties and election candidates retaining deposit

Ymgeisydd etholiad	Plaid	Nifer	%	Statws	% Newid
Geoff Collett	Llafur Cymru	443	41%	Newly elected	n/a
Robin John Tracy Guest	Welsh Liberal Democrats / Democratiaid Rhyddfrydol Cymru	424	39%	Heb ei ethol	n/a
Yvon Jones	Plaid Cymru - The Party of Wales	218	20%	Heb ei ethol	n/a