Lanny Jaya Regency is a regency (kabupaten) located in the Indonesian province of Highland Papua.

[1] The administrative centre is the town of Tiom.

In 2010 the Lanny Jaya Regency comprised ten districts (distrik), listed below with their areas and their populations at the 2010 Census,[2] together with a list of the additional districts formed from parts of the original districts from 2013 onwards.

These thirty-nine are listed below with their areas and their populations at the 2020 Census,[3] and the official estimates as at mid 2022.

[1] The table also includes the location of the district administrative centres, the number of administrative villages in each district (totaling 354 rural kampung and 1 urban kelurahan - the latter being the town of Bokon in Tiom District), and its post code.