Neryungrinsky District (Russian: Нерюнгри́нский улу́с; Yakut: Нүөрүҥгүрү улууһа, Nüörüŋgürü uluuha, IPA: [nyøɾyŋgyɾy uluːha]) is an administrative and municipal district (raion, or ulus), one of the thirty-four in the Sakha Republic, Russia. It is the southernmost district of Sakha and borders Aldansky District in the north, Olyokminsky District in the west and south, Amur Oblast and a small area of Zabaykalsky Krai in the west, and Khabarovsk Krai in the east. The area of the district is 98,900 square kilometers (38,200 sq mi). Its administrative center is the town of Neryungri. Population (excluding the administrative center): 21,019 (2010 Census).

The landscape of the district is mostly mountainous. The Toko-Stanovik range and lake Bolshoye Toko are located in the eastern part. The main river in the district is the Aldan with its tributaries the Timpton and the Chulman. Lake Bolshoye Toko is the deepest lake in Yakutia.

Average January temperature ranges from −30 °C (−22 °F) to −34 °C (−29 °F) and average July temperature ranges from +12 °C (54 °F) to +14 °C (57 °F). Annual precipitation is 400–500 millimeters (16–20 in).

The district was established on November 6, 1975.

As of the 2021 Census, the ethnic composition was as follows:

• Russians: 82.4%
• Ukrainians: 3.5%
• Yakuts: 2.7%
• Buryats: 2.5%
• Evenks: 2.0%
• Tatars: 1.2%
• other ethnicities: 5.7%

There are deposits of gold, coal, iron ore, molybdenum, and construction materials in the district.

The district includes seven municipal divisions, covering a total of nine inhabited locations.

Municipal composition

Towns / Cities	Population	Male	Female	Inhabited localities in jurisdiction
Neryungri Urban Okrug (Нерюнгри)	61,747	29,674 (48.1%)	32,073 (51.9%)	Town of Neryungri (administrative centre of the district)
Urban settlements	Population	Male	Female	Inhabited localities in jurisdiction
Berkakit Urban Okrug (Беркакит)	4,291	2,036 (47.4%)	2.255 (52.6%)	Urban-type settlement of Berkakit
Zolotinka Urban Okrug (Золотинка)	620	304 (49.0%)	316 (51.0%)	Urban-type settlement of Zolotinka Urban-type settlement of Nagorny
Serebryany Bor Urban Okrug (Серебряный Бор)	4,163	2,034 (48.9%)	2,129 (51.1%)	Urban-type settlement of Serebryany Bor
Khani Urban Okrug (Хани)	764	407 (53.3%)	357 (46.7%)	Urban-type settlement of Khani
Chulman Urban Okrug (Чульман)	10,077	4,722 (46.9%)	5,355 (53.2%)	Urban-type settlement of Chulman selo of Bolshoy Khatymi
Rural settlements	Population	Male	Female	Rural localities in jurisdiction*
Iyengirinsky Nasleg (Иенгринский)	1,104	516 (46.7%)	588 (53.3%)	selo of Iyengra

Divisional source:
Population source:
*Administrative centers are shown in bold

• Верховный Совет Республики Саха (Якутия). 4 апреля 1992 г. «Конституция (основной закон) Республики Саха (Якутия)», в ред. Конституционного закона №1077-З №1035-IV от 8 июня 2012 г. «О внесении изменений и дополнений в Конституцию (основной закон) Республики Саха (Якутия)». Опубликован: "Якутские ведомости", №7, 26 апреля 1992 г. (Supreme Council of the Sakha (Yakutia) Republic. April 4, 1992 Constitution (Basic Law) of the Sakha (Yakutia) Republic, as amended by the Constitutional Law #1077-Z No. 1035-IV of June 8, 2012 On Amending and Supplementing the Constitution (Basic Law) of the Sakha (Yakutia) Republic. ).
• Государственное Собрание (Ил Тумэн) Республики Саха (Якутия). Закон №172-З №351-III от 30 ноября 2004 г. «Об установлении границ и о наделении статусом муниципального района муниципальных образований Республики Саха (Якутия)», в ред. Закона №1535-З №597-V от 27 ноября 2015 г. «О внесении изменений в статьи 1 и 2 Закона Республики Саха (Якутия) "Об установлении границ и о наделении статусом муниципального района муниципальных образований Республики Саха (Якутия)"». Вступил в силу со дня официального опубликования. Опубликован: "Якутия", №245, 31 декабря 2004 г. (State Assembly (Il Tumen) of the Sakha (Yakutia) Republic. Law #172-Z No. 351-III of November 30, 2004 On Establishing the Borders and on Granting the Municipal District Status to the Municipal Formations of the Sakha (Yakutia) Republic, as amended by the Law #1535-Z No. 597-V of November 27, 2015 On Amending Articles 1 and 2 of the Law of the Sakha (Yakutia) Republic "On Establishing the Borders and on Granting the Municipal District Status to the Municipal Formations of the Sakha (Yakutia) Republic". Effective as of the day of the official publication.).
• Государственное Собрание (Ил Тумэн) Республики Саха (Якутия). Закон №173-З №353-III от 30 ноября 2004 г. «Об установлении границ и о наделении статусом городского и сельского поселений муниципальных образований Республики Саха (Якутия)», в ред. Закона №1058-З №1007-IV от 25 апреля 2012 г. «О внесении изменений в Закон Республики Саха (Якутия) "Об установлении границ и о наделении статусом городского и сельского поселений муниципальных образований Республики Саха (Якутия)"». Вступил в силу со дня официального опубликования. Опубликован: "Якутия", №245, 31 декабря 2004 г. (State Assembly (Il Tumen) of the Sakha (Yakutia) Republic. Law #173-Z No. 353-III of November 30, 2004 On Establishing the Borders and on Granting the Urban and Rural Settlement Status to the Municipal Formations of the Sakha (Yakutia) Republic, as amended by the Law #1058-Z No. 1007-IV of April 25, 2012 On Amending the Law of the Sakha (Yakutia) Republic "On Establishing the Borders and on Granting the Urban and Rural Settlement Status to the Municipal Formations of the Sakha (Yakutia) Republic". Effective as of the day of the official publication.).