Rokan Hulu is a regency (kabupaten) of Riau, Indonesia. It is located on the island of Sumatra. Rokan Hulu Regency was created on 4 October 1999 as a result of the division of Kampar Regency, of which it was previously the western 24%. The new Regency was established under Law No. 53 of 1999 and Law No. 11 of 2003 on changes to Law Decree No. 53 of 1999, which is reinforced by the Constitutional Court Decision No. 010 / PUU-1/2004, dated 26 August 2004. It mainly occupies the upper part of the catchment area of the Rokan River, and has an area of 7,588.13 km². It had 474,843 inhabitants at the 2010 Census^[3] and 561,385 at the 2020 Census;^[4] the official estimate as at mid 2022 was 582,679 (comprising 297,286 males and 285,393 females).^[2] The administrative centre of the regency is located at Pasir Pengaraian.

The regency is divided into sixteen districts (kecamatan), listed below with their populations at the 2010 Census^[3] and 2020 Census,^[4] together with the official estimates as at mid 2022.^[2] The table also includes the locations of the district administrative centres, the number of villages (rural desa and urban kelurahan) in each district, and its post code.

Notes: (a) Tandun and Rabun Districts form a salient in the southeast of the Regency into Kampar Regency.