Jember Regency is a regency of East Java province, Indonesia. The population was 2,332,726 at the 2010 census and 2,536,729 at the 2020 Census. Its administrative capital is the urban area of Jember, which with 359,184 inhabitants in 2020 is the third largest urban area in East Java province (after Surabaya and Malang) but does not have municipality or city status as it is split between three separate districts.
Jember is famous for its tobacco farms and traditional food called tape which is made of fermented cassava.