The 2012 Gwynedd Council election took place on 3 May 2012 to elect members of Gwynedd Council in Wales. Seventy four council seats were up for re-election, however, no candidates were nominated for the Bryncrug/Llanfihangel ward, and a by-election was held in June 2012.
The Gwynedd election was on the same day as other 2012 United Kingdom local elections.
The council shifted from Plaid Cymru majority to No Overall Control (Plaid had taken control of the council between elections). With no candidates nominated for the Bryncrug/Llanfihangel ward, a by-election was held in June 2012 and the outcome could have led to a Plaid majority had the Plaid candidate won. However, an independent won. Plaid remained holding exactly half of the total seats, per the table below:
|Party||Seats||Gains||Losses||Net gain/loss||Seats %||Votes %||Votes||+/−|
- "Local elections 2012". BBC News. Retrieved 30 April 2012.
- "Vote 2012: By-election in Bryncrug to decide Gwynedd control". BBC News. 4 May 2012. Retrieved 15 April 2018.
- "Local elections: Gwynedd council ward has no candidates". BBC News. 5 April 2012. Retrieved 15 April 2018.
- "Archived copy". Archived from the original on 17 November 2016. Retrieved 17 November 2016.CS1 maint: archived copy as title (link)
- Teale, Andrew. "Local Election Results 2012: Gwynedd". Retrieved 17 November 2016.
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