The election of councillors to Allerdale Borough Council in Cumbria, England took place every four years. The council was established in 1974 and it was abolished in 2023. The last elections were in 2019.
At the 1999 boundary review, there were 56 councillors in 31 wards. This changed in 2019 following another boundary review. The number of councillors was reduced to 49 and the number of wards reduced to 23.
The first election to the council was held in 1973, initially operating as a shadow authority alongside the outgoing authorities until the new arrangements came into effect on 1 April 1974. Political control of the council from 1974 until its abolition in 2023 was as follows:
The leaders of the council from 2003 until the council's abolition in 2023 were: