Northampton Borough Council was the local authority for Northampton in Northamptonshire, England and was elected every four years. From the last boundary changes in 1999, 47 councillors were elected from 23 wards. The borough council was abolished in 2021, with the area becoming part of West Northamptonshire.
The results for each full council election from 1973 until the final election in 2015 were as follows: