No overall control No overall control The 2017 Isle of Anglesey County Council election, to the Isle of Anglesey County Council was held on 4 May 2017 as part of the 2017 United Kingdom local elections.

Following the election Plaid Cymru gained two additional seats overall to become the largest party with 14 councillors.

[1] Previous Independent Group leader, Ieuan Williams, stood down from this position prior to the election.

[1] Later that month Plaid Cymru leader, Llinos Medi, was the only candidate to put herself forward as leader and Plaid Cymru consequently led the council with the help of support from some Independent members.

[4] * = denotes councillor elected to this ward at the previous election[5] Isle of Anglesey Council results per ward also give the number of registered electors, number of ballot papers issued and turnout[2]