| En Name: | Inzensky District |
| Ru Name: | Инзенский район |
| Image View: | Inza town.JPG |
| Coordinates: | 53.85°N 67°W |
| Image Coa: | Coat of arms of Inzensky Raion.png |
| Federal Subject: | Ulyanovsk Oblast |
| Adm Data As Of: | July 2012 |
| Adm Ctr Type: | town |
| Adm Ctr Name: | Inza |
| Town Of District Significance Type: | Towns of district significance |
| No Of Towns Of District Significance: | 1 |
| Urban-Type Settlement Of District Significance Type: | Settlement okrugs |
| No Of Urban-Type Settlements Of District Significance: | 1 |
| Selsoviet Type1: | Rural okrugs |
| No Of Selsoviets Type1: | 6 |
| No Of Cities Towns: | 1 |
| No Of Urban-Type Settlements: | 1 |
| No Of Rural Localities: | 65 |
| Mun Data As Of: | July 2012 |
| Mun Formation1: | Inzensky Municipal District |
| Mun Formation1 No Of Urban Settlements: | 2 |
| Mun Formation1 No Of Rural Settlements: | 6 |
| Area Km2: | 2020.2 |
| Pop 2010Census: | 33877 |
| Urban Pop 2010Census: | 62.7% |
| Rural Pop 2010Census: | 37.3% |
| Website: | http://inza.ulregion.ru/ |
| Date: | April 2013 |
Inzensky District (ru|И́нзенский райо́н) is an administrative[1] and municipal[2] district (raion), one of the twenty-one in Ulyanovsk Oblast, Russia. It is located in the west of the oblast.
The area of the district is 2020.2km2[3] Its administrative center is the town of Inza. Population: 33,877 (2010 Census); The population of Inza accounts for 55.5% of the district's total population.