| En Name: | Ust-Kutsky District |
| Ru Name: | Усть-Кутский район |
| Image View: | Заводь Домашнего острова.jpg |
| Coordinates: | 56.8°N 155°W |
| Image Coa: | Coat of Arms of Ust-Kut rayon.png |
| Federal Subject: | Irkutsk Oblast |
| Adm Data As Of: | December 2014 |
| Adm Ctr Type: | town |
| Adm Ctr Name: | Ust-Kut |
| No Of Cities Towns: | 1 |
| No Of Urban-Type Settlements: | 2 |
| No Of Rural Localities: | 17 |
| Counts Ref: | [1] |
| Mun Data As Of: | July 2015 |
| Mun Formation1: | Ust-Kutsky Municipal District |
| Mun Formation1 No Of Urban Settlements: | 3 |
| Mun Formation1 No Of Rural Settlements: | 4 |
| Area Km2: | 34600 |
| Pop 2010Census: | 8416 |
| Urban Pop 2010Census: | 32.7% |
| Rural Pop 2010Census: | 67.3% |
| Website: | http://admin-ukmo.ru |
| Date: | June 2017 |
| Bodystyle: | width:23.5em |
| Population of Ust-Kutsky District | |
| Label1: | 2010 Census |
| Data1: | 8,416 |
| Label2: | 2002 Census |
| Data2: | 10,765 |
| Label3: | 1989 Census |
| Data3: | 20,704 |
| Label4: | 1979 Census |
| Data4: | 16,567 |
Ust-Kutsky District (Russian: Усть-Ку́тский райо́н) is an administrative district, one of the thirty-three in Irkutsk Oblast, Russia.[2] Municipally, it is incorporated as Ust-Kutsky Municipal District.[3] It is located in the center of the oblast. Its administrative center is the town of Ust-Kut.[4] As of the 2010 Census, the total population of the district (excluding the administrative center) was 8,416.
Within the framework of administrative divisions, Ust-Kutsky District is one of the thirty-three in the oblast. The town of Ust-Kut serves as its administrative center.[5] As a municipal division, the district is incorporated as Ust-Kutsky Municipal District.
The district is located in the Lena-Angara Plateau area. The Kuta and Tayura, tributaries of the Lena River, flow across it.[6] The area of the district is 34600km2.[7]