The 2023 Castle Point Borough Council election took place on 4 May 2023 to elect members of Castle Point Borough Council in Essex, England. This was on the same day as other local elections across England.
The coalition between The People's Independent Party and the Canvey Island Independent Party substantially increased their majority on the council at the expense of the Conservatives.
In the aftermath of the election the Conservative group leader, Godfrey Isaacs, left the group to sit as an independent councillor. He was replaced as group leader by Beverley Egan. Dave Blackwell, leader of the Canvey Island Independent Party, continued to serve as leader of the council after the election.
The Statement of Persons Nominated, which details the candidates standing in each ward, was released by Castle Point Borough Council following the close of nominations on 5 April 2023. The results of the election were announced on 5 May 2023.