Kronjo is an administrative district (kecamatan) located in the Tangerang Regency of Banten Province on Java, Indonesia. It covers an area of 46.51 km2, and had a population of 55,152 at the 2010 Census and 61,719 at the 2020 Census; the official estimate as at mid 2023 was 65,600. The district administrative centre is at Pagedangan Ilir, which is one of the 10 villages (desa) comprising the district and all sharing the postcode of 15550.