Croydon London Borough Council, which styles itself Croydon Council, is the local authority for the London Borough of Croydon in Greater London, England. It is a London borough council, one of 32 in London. Croydon is divided into 28 wards, electing 70 councillors. Since 2022 the council has been led by a directly elected mayor. The council has been under no overall control since 2022, being run by a Conservative minority administration. The council meets at Croydon Town Hall and has its main offices in the adjoining Bernard Weatherill House.

The London Borough of Croydon is a London borough in south London, part of Outer London. It covers an area of 87 km2 (33.6 sq mi). It is the southernmost borough of London. At its centre is the historic town of Croydon from which the borough takes its name; while other urban centres include Coulsdon, Purley, South Norwood, Norbury, New Addington, Selsdon and Thornton Heath. Croydon is mentioned in Domesday Book, and from a small market town has expanded into one of the most populous areas on the fringe of London. The borough is now one of London's leading business, financial and cultural centres, and its influence in entertainment and the arts contribute to its status as a major metropolitan centre. Its population is 390,719, making it the largest London borough and sixteenth largest English district.