Intan Jaya Regency is one of the regencies (kabupaten) in the Indonesian province of Central Papua; it was formed in 2008 from part of Paniai Regency. It covers an area of 6,536.27 km<sup>2</sup>, and had a population of 40,490 at the 2010 Census, but this greatly increased to 135,043 at the 2020 Census; the official estimate as at mid 2024 was 137,696 (comprising 71,863 males and 65,833 females). The administrative centre is the town of Sugapa.
Intan Jaya Regency comprised in 2010 six districts (distrik), tabulated below with their populations at the 2010 Census:
By 2018, two further districts had been created - Tomosiga and Ugimba. The eight districts are tabulated below with their areas and their populations at the 2020 Census and according to the official estimates for mid 2024. The table also includes the location of the district administrative centres, the number of administrative villages (all rated as rural kampung) in each district, and its post code.
Most residents are Protestant Christians.