North Tambun () is an administrative district (kecamatan) of Bekasi Regency, in West Java, Indonesia. The district covers an area of 29.67 km<sup>2</sup>, and had a population of 137,099 at the 2010 Census and 194,405 at the 2020 Census; the official estimate as at mid 2024 was 209,212, comprising 105,523 males and 103,689 females. The administrative centre is located at the town of Sriamur, and the district is sub-divided into eight villages (desa), all sharing a postcode of 17511, as listed below with their areas and their populations as at mid 2024.