Canlyniadau etholiad ar gyfer Bontnewydd

 Plaid Cymru Ennill Menna Jones was etholwyd with a majority of 59%. Cafodd cyfanswm o 517 o bleidleisiau eu bwrw.

Table of main parties and election candidates retaining deposit

Ymgeisydd Etholiadol	Plaid	Nifer	%	Statws	% Newid
Menna Jones	Plaid Cymru	412	80%	Newly elected	n/a
Gavin Andrew Owen	Aelod Unigol	105	20%	-	15%

Table of election candidates who changed parties since the last election

Ymgeisydd Etholiadol	Current party	Previous party
Gavin Andrew Owen	Aelod Unigol	Llais Gwynedd