South Northamptonshire District Council in Northamptonshire, England was elected every four years.
After the last boundary changes in 2007, 42 councillors were elected from 27 wards.
The council was abolished in 2021, with the area becoming part of West Northamptonshire.
From the first election to the council in 1973 until its abolition in 2021, political control of the council was held by the following parties:[1] The leaders of the council from 1999 until the council's abolition in 2021 were: