Canlyniadau etholiad ar gyfer Llanberis

 Plaid Cymru Ennill Kimberley Jones was etholwyd with a majority of 26%. Cafodd cyfanswm o 855 o bleidleisiau eu bwrw.

Table of main parties and election candidates retaining deposit

Ymgeisydd Etholiadol	Plaid	Nifer	%	Statws	% Newid
Kimberley Jones	Plaid Cymru	506	59%	Newly elected	n/a
Heather Lynne Jones	Annibynnol	282	33%	Ni etholwyd	n/a
Colin Frazier Owen		67	8%	Ni etholwyd	n/a