Jati Agung District is an administrative district (kecamatan) in South Lampung Regency, part of Lampung Province on the island of Sumatra, Indonesia. The district covers an area of 164.47 km² and had a population of 128,604 at the 2020 Census, comprising 66,105 males and 62,499 females;^[1] the official estimate in mid 2023 was 125,035, comprising 63,779 males and 61,256 females.^[2] It is situated to the northeast of Bandar Lampung city, and consists of twenty-one villages (all classed as rural desa), which share a postal code of 35365; many of these are suburban to Bandar Lampung. The administrative centre of the district is the town of Marga Agung.