The 2023 South Gloucestershire Council election took place on 4 May 2023 to elect members of South Gloucestershire Council in England. This was on the same day as other local elections across England.
The Conservatives lost control of the council to no overall control. A Liberal Democrat and Labour coalition subsequently formed to take control of the council.
Prior to the election the Conservatives had a majority on the council, holding 33 of the 61 seats. Their group leader Toby Savage, who had been leader of the council since 2018, chose not to stand for re-election. The Labour group leader Pat Rooney also chose not to stand for re-election.
Following the election the Conservatives remained the largest party but made a net loss of ten seats, putting the council under no overall control. The Liberal Democrats and Labour agreed to form a coalition to run the council. At the subsequent annual council meeting on 24 May 2023 the Liberal Democrat group leader Claire Young was appointed leader of the council, and the new Labour group leader Ian Boulton was appointed co-leader of the council. The Conservatives chose Sam Bromiley to be their new leader in opposition.
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Sitting councillors are marked with an asterisk (*).
The New Cheltenham by-election was triggered by the resignation of Labour councillor Sandie Davis.