Indragiri Hulu (or Upper Indragiri) is a landlocked regency (kabupaten) of Riau, Indonesia. It is located on the island of Sumatra. The original regency was split in two on 4 October 1999, with the western half being created as a separate Kuantan Singingi Regency. The regency now has an area of 8,198.71 km² and had a population of 363,442 at the 2010 census,^[2] 408,704 at the 2015 census and 444,548 at the 2020 census;^[3] the official estimate as at mid 2022 was 464,076 (comprising 238,119 males and 225,957 females).^[1] The administrative seat of the regency is located at the town of Rengat.

The regency is divided into fourteen districts (kecamatan), listed below with their areas and their populations at the 2010 census^[2] and the 2020 census,^[3] together with the official estimates as at mid 2022.^[1] The table also includes the locations of the district administrative centres, the number of administrative villages in each district (totalling 178 rural desa and 16 urban kelurahan), and its post code.

Notes: (a) including 2 kelurahan. (b) the area of this district is still included in the figures for the district from which it was cut out.
(c) including 1 kelurahan. (d) including 5 kelurahan. (e) except the village of Rantau Bakung, which has a post code of 29345. (f) including 6 kelurahan.