{ { infobox Settlement
|name = Rembang Regency
|native_name = Kabupaten Rembang
|image_skyline =
|image_caption =
|image_shield =
|image_flag =
|image_map =
|map_caption = Location within Central Java
|subdivision_type = Country
|subdivision_name = Indonesia
|subdivision_type1 = Province
|subdivision_name1 = Central Java
|population_total = 650770
|population_as_of = mid 2022 estimate
|population_density_km2 = auto
|population_footnotes =
|population_note =
|area_total_km2 = 1036.70
|seat_type = Capital
|seat = Rembang
|government_footnotes =
|government_type =
|governing_body =
|leader_party =
|leader_title = Regent
|leader_name = Abdul Hafidz
|leader_title1 = Vice Regent
|leader_name1 = Mochamad Hanies Cholil Barro
|timezone1 = IWST
|utc_offset1= +7
|postal_code_type = Postal code
|postal_code =
|area_code_type = Area code
|area_codes = (+62) 295, 356
|website =
|type = Regency
|coordinates =
|pushpin_map = Indonesia Java#Indonesia
|pushpin_map_caption = Location in Java##Location in Indonesia
}}
Rembang Regency () is a regency () on the extreme northeast coast of Central Java Province, on the island of Java (bordering on the Java Sea) in Indonesia. The regency covers an area of 1,036.70 km2 on Java, and it had a population of 591,359 at the 2010 Census and 645,333 at the 2020 Census; the official estimate as at mid 2022 was 650,770, of whom 327,196 were males and 323,574 were females. Its administrative capital is the town of Rembang.
Geography
It is a lowland, with a maximum elevation of about above sea level.
The Solo River flows through its inland section.
The regency is crossed by the North Coast Road, an inter-province main road on the island.
Borders
Rembang Regency is bordered by: North : Java Sea East : Tuban Regency in East Java Province South : Blora Regency West : Pati Regency
Administrative districts
The regency is divided into fourteen districts (kecamatan), tabulated below with their areas and their populations at the 2010 Census and the 2020 Census, together with the official estimates as at mid 2022. The table also includes the locations of the district administrative centres, the number of administrative villages in each district (totaling 287 rural desa and 7 urban kelurahan'' - the latter all in Rembang town District), and its post code.
Climate
Rembang has a tropical monsoon climate (Am) with moderate to little rainfall from May to October and heavy rainfall from November to April.
Lasem
During the colonial Dutch East Indies period, the area was known as Lasem.
The Han family of Lasem was a prominent Chinese immigrant family of colonial government bureaucrats and landlords in the area.