The 2017 Aberdeen City Council election took place on 4 May 2017 to elect members of Aberdeen City Council. The election used the 13 wards created as a result of the Local Governance (Scotland) Act 2004, with each ward electing three or four Councillors using the single transferable vote system a form of proportional representation, with a total of 45 Councillors elected, an increase in two members from 2012. In August, the co-leadership was ratified by a meeting of the full council, appointing Douglas Lumsden (Con) & Jenny Laing (Lab) as co-leaders.