| En Name: | Bazarnosyzgansky District |
| Ru Name: | Базарносызганский район |
| Coordinates: | 53.7519°N 46.7603°W |
| Image Coa: | The coat of arms of Bazarnosyzgansky District.jpg |
| Federal Subject: | Ulyanovsk Oblast |
| Adm Data As Of: | July 2012 |
| Adm Ctr Type: | work settlement |
| Adm Ctr Name: | Bazarny Syzgan |
| 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: | 4 |
| No Of Urban-Type Settlements: | 1 |
| No Of Rural Localities: | 31 |
| Mun Data As Of: | July 2012 |
| Mun Formation1: | Bazarnosyzgansky Municipal District |
| Mun Formation1 No Of Urban Settlements: | 1 |
| Mun Formation1 No Of Rural Settlements: | 4 |
| Area Km2: | 825.2 |
| Pop 2010Census: | 10083 |
| Urban Pop 2010Census: | 56.7% |
| Rural Pop 2010Census: | 43.3% |
| Established Date: | 1935 (first) 1989 (second) |
| Website: | http://www.bsizgan.ulregion.ru/ |
| Date: | April 2013 |
Bazarnosyzgansky District (Russian: Базарносызганский 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 825.2km2. Its administrative center is the urban locality (a work settlement) of Bazarny Syzgan. Population: 10,083 (2010 Census); The population of Bazarny Syzgan accounts for 56.7% of the district's total population.
The district was first established in 1935.[3] In 1956, it was merged into Inzensky District. It was re-established in 1989.[3]