| En Name: | Sergachsky District |
| Ru Name: | Сергачский район |
| Image View: | Sergach Town Museum.jpg |
| Coordinates: | 55.5333°N 73°W |
| Image Coa: | Coat of arms of Sergach rayon.gif |
| Federal Subject: | Nizhny Novgorod Oblast |
| Adm Data As Of: | January 2016 |
| Adm Ctr Type: | town |
| Adm Ctr Name: | Sergach |
| Town Of District Significance Type: | Towns of district significance |
| No Of Towns Of District Significance: | 1 |
| Selsoviet Type1: | Selsoviets |
| No Of Selsoviets Type1: | 10 |
| No Of Cities Towns: | 1 |
| No Of Rural Localities: | 64 |
| Mun Data As Of: | August 2014 |
| Mun Formation1: | Sergachsky Municipal District |
| Mun Formation1 No Of Urban Settlements: | 1 |
| Mun Formation1 No Of Rural Settlements: | 10 |
| Area Of What: | administrative district |
| Area As Of: | January 2016 |
| Area Km2: | 1243.8 |
| Pop 2010Census: | 31296 |
| Urban Pop 2010Census: | 68.3% |
| Rural Pop 2010Census: | 31.7% |
| Established Date: | 1929 |
| Website: | http://sergach.omsu-nnov.ru |
| Date: | January 2017 |
Sergachsky District (ru|Серга́чский райо́н) is an administrative district (raion), one of the forty in Nizhny Novgorod Oblast, Russia.[1] Municipally, it is incorporated as Sergachsky Municipal District.[2] It is located in the southeast of the oblast. The area of the district is 1243.8km2. Its administrative center is the town of Sergach. Population: 31,296 (2010 Census); The population of Sergach accounts for 68.3% of the district's total population.
The district was established in 1929.