The 1978 Croydon Council election took place on 4 May 1978 to elect members of Croydon London Borough Council in London, England. The whole council was up for election and the Conservative Party stayed in overall control of the council.
This was the first election to Croydon Council since 1974. This was the first election fought on new boundaries, and the first without Aldermen, increasing the total number of Councillors from 60 to 70.