Canlyniadau etholiadau ar gyfer Helygain

 Independent / Annibynnol Ennill Colin Legg was wedi'i ethol with a majority of 13%. Cafodd cyfanswm o 637 o bleidleisiau eu bwrw, representing a turnout of 45% .

Table of main parties and election candidates retaining deposit

Ymgeisydd etholiad	Plaid	Nifer	%	Statws	% Newid
Colin Legg	Independent / Annibynnol	361	57%	Ailetholwyd	-24%
David Grant Roberts	Ceidwadwyr Cymreig	276	43%	Heb ei ethol	n/a

Table of election candidates who changed parties since the last election

Ymgeisydd etholiad	Current party	Previous party
Colin Legg	Independent / Annibynnol	Independent / Annibynnol