Canlyniadau etholiadau ar gyfer Trelawnyd & Gwaenysgor

 Ceidwadwyr Cymreig Ennill Andrew John Holgate was wedi'i ethol with a majority of 27%. Cafodd cyfanswm o 750 o bleidleisiau eu bwrw, representing a turnout of 52% .

Table of main parties and election candidates retaining deposit

Ymgeisydd etholiad	Plaid	Nifer	%	Statws	% Newid
Andrew John Holgate	Ceidwadwyr Cymreig	380	51%	Newly elected	n/a
David Henry Ellis	Independent / Annibynnol	181	24%	-	-9%
Helen Sylvia Papworth	Llafur Cymru	144	19%	Heb ei ethol	n/a
Ashley James Bonos	Independent / Annibynnol	45	6%	Heb ei ethol	n/a

Table of election candidates who changed parties since the last election

Ymgeisydd etholiad	Current party	Previous party
David Henry Ellis	Independent / Annibynnol	Independent / Annibynnol