Nagan Raya Regency (Indonesian: Kabupaten Nagan Raya) is a regency in the Aceh special region of Indonesia.

It is located on the island of Sumatra, and was formed on 10 April 2002 from districts formerly part of West Aceh Regency.

[3] The official estimate as at mid 2023 was 176,461 (comprising 88,872 males and 87,589 females).

Notes: (a) included in 2010 figure for Darul Makmur District.

In 2012, Nagan Raya Regency has 24,698 hectares paddy fields with production of 164,586 tonnes of rice equivalent per year.