| En Name: | Ust-Kansky District |
| Ru Name: | Усть-Канский район |
| Loc Name1: | Кан-Оозы аймак |
| Loc Lang1: | Altai |
| Loc Name2: | Қан ауданы |
| Loc Lang2: | Kazakh |
| Image View: | Усть-Кан.jpg |
| Coordinates: | 50.9167°N 130°W |
| Federal Subject: | Altai Republic |
| Adm Data As Of: | December 2014 |
| Adm Ctr Type: | selo |
| Adm Ctr Name: | Ust-Kan |
| Selsoviet Type1: | Rural settlements |
| No Of Selsoviets Type1: | 11 |
| No Of Rural Localities: | 24 |
| Mun Data As Of: | December 2014 |
| Mun Formation1: | Ust-Kansky Municipal District |
| Mun Formation1 No Of Urban Settlements: | 0 |
| Mun Formation1 No Of Rural Settlements: | 11 |
| Area Km2: | 6244 |
| Area Km2 Ref: | [1] |
| Pop 2010Census: | 15007 |
| Urban Pop 2010Census: | 0% |
| Rural Pop 2010Census: | 100% |
| Website: | http://www.moust-kan.ru |
| Date: | January 2013 |
| Population of Ust-Kansky District | |
| Label1: | 2010 Census |
| Data1: | 15,007 |
| Label2: | 2002 Census |
| Data2: | 15,482 |
| Label3: | 1989 Census |
| Data3: | 16,123 |
| Label4: | 1979 Census |
| Data4: | 14,704 |
Ust-Kansky District (ru|Усть-Ка́нский райо́н, Ust'-Kanskiy rayon; alt|Кан-Оозы аймак, Kan-Oozı aymak; kk|Қан ауданы, Qan audanı) is an administrative[2] and municipal[3] district (raion), one of the ten in the Altai Republic, Russia. It is located in the west of the republic. The area of the district is 6244km2.[1] Its administrative center is the rural locality (a selo) of Ust-Kan. As of the 2010 Census, the total population of the district was 15,007, with the population of Ust-Kan accounting for 27.5% of that number.
Within the framework of administrative divisions, Ust-Kansky District is one of the ten in the Altai Republic. As a municipal division, the district is incorporated as Ust-Kansky Municipal District. Both administrative and municipal districts are divided into the same eleven rural settlements, comprising twenty-four rural localities. The selo of Ust-Kan serves as the administrative center of both the administrative and municipal district.