St Edmundsbury Borough Council in Suffolk, England, was elected every four years. After the last boundary changes in 2003, 45 councillors were elected from 31 wards. The council was abolished in 2019, with the area becoming part of West Suffolk.
From the first election to the council in 1973 until its abolition in 2019, political control of the council was held by the following parties:
The leaders of the council from 1995 until 2019 were:
John Griffiths served as leader of the West Suffolk shadow authority for part of the year prior to the new council coming into effect in 2019. He subsequently became the first leader of West Suffolk District Council after the first elections to the new council in May 2019.
A by-election occurs when seats become vacant between council elections. Below is a summary of by-elections from 1983 onwards. Full by-election results are listed under the last regular election preceeding the by-election and can be found by clicking on the ward name.