| En Name: | Ust-Abakansky District |
| Ru Name: | Усть-Абаканский район |
| Loc Name1: | Ағбан пилтiрi аймағы |
| Loc Lang1: | Khakas |
| Image View: | Небольшие озера Золотой Долины.jpg |
| Coordinates: | 53.822°N 89.219°W |
| Image Coa: | Coat of Arms of Ust-abakansky rayon (Khakassia).gif |
| Federal Subject: | Republic of Khakassia |
| Adm Data As Of: | February 2011 |
| Adm Ctr Type: | urban-type settlement |
| Adm Ctr Name: | Ust-Abakan |
| Urban-Type Settlement Of District Significance Type: | Urban-type settlements (settlement councils) |
| No Of Urban-Type Settlements Of District Significance: | 1 |
| Selsoviet Type1: | Selsoviets |
| No Of Selsoviets Type1: | 12 |
| No Of Urban-Type Settlements: | 1 |
| No Of Rural Localities: | 38 |
| Mun Data As Of: | October 2004 |
| Mun Formation1: | Ust-Abakansky Municipal District |
| Mun Formation1 No Of Urban Settlements: | 1 |
| Mun Formation1 No Of Rural Settlements: | 12 |
| Area Km2: | 8880 |
| Pop 2010Census: | 39397 |
| Urban Pop 2010Census: | 37.0% |
| Rural Pop 2010Census: | 63.0% |
| Website: | http://ust-abakan.net/ |
| Date: | January 2013 |
Ust-Abakansky District (ru|Усть-Абака́нский райо́н; kjh|Ағбан пилтiрi аймағы|Ağban piltĕrĕ aymağı) is an administrative[1] and municipal[2] district (raion), one of the eight in the Republic of Khakassia, Russia. It is located in the center of the republic. The area of the district is 8880km2. Its administrative center is the urban locality (an urban-type settlement) of Ust-Abakan. Population: The population of Ust-Abakan accounts for 37.0% of the district's total population.
The town of Sorsk used to be administratively under the jurisdiction of the district, but was elevated in status to the town of the republican significance in 2003.