ŤBekasi Regency (Indonesian: Kabupaten Bekasi; Betawi: Kabupatén Bèkasi; Sundanese: ᮊᮘᮥᮕᮒᮦᮔ᮪ ᮘᮨᮊᮞᮤ, romanized: Kabupatén Bekasi) is a regency (kabupaten) of West Java Province, Indonesia. Its regency seat is in the district of Central Cikarang. It is bordered by Jakarta Special Region (the administrative cities of North Jakarta and East Jakarta) and by Bekasi City (which is a separate administration from the Regency) to the west, by Bogor Regency to the south, by Karawang Regency to the east and by the Java Sea to the north.
This highly urbanised area (largely suburban to Jakarta to its west) has a land area of 1,157.73 km (447.00 sq mi) and contained 2,630,401 people at the 2010 Census and 3,113,017 at the 2020 Census, with an average density of 2,570 inhabitants per square kilometre (6,700/sq mi). The official estimate as at mid 2024 was 3,387,601, making it the fourth most populous regency in Indonesia after Bogor Regency, Bandung Regency and Tangerang Regency. The figures for Bekasi Regency exclude the area and population of the separate City of Bekasi (with 2,644,058 inhabitants in mid 2024), which lies between the Regency and Jakarta, and has been independent of the Regency since 16 December 1996.