Suffolk Coastal District Council in Suffolk, England was elected every four years. After the last boundary changes in 2015, 42 councillors were elected from 26 wards. The council was abolished in 2019, with the area becoming part of East Suffolk.
From the first elections to the council in 1973 until its abolition in 2019, political control of the council was held by the following parties:
The leader of the council from 1999 until the council's abolition in 2019 was:
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.