The Borough Council of Wellingborough in Northamptonshire, UK was elected every four years.
After the last boundary changes in 1999, thirty-six councillors were elected from 16 wards.
[1] The council was abolished in 2021, with the area becoming part of North Northamptonshire.
From the first elections to the council in 1973 until its abolition in 2021, political control of the council was held by the following parties:[2] The leaders of the council from 1991 until the council's abolition in 2021 were:[3]