The 1979 Cardiff City Council election was held on Thursday 3 May 1979 to elect councillors to Cardiff District Council (later to become known as Cardiff City Council) in Cardiff, Wales. It took place on the same day as other council elections in the United Kingdom.
The previous Cardiff City Council elections took place in 1976 and the next full elections took place in 1983.
The 1979 election saw the Conservative Party lose their majority to the Labour Party.