| En Name: | Krasnoslobodsky District |
| Ru Name: | Краснослободский район |
| Loc Name1: | Ошень аймак |
| Loc Lang1: | Moksha |
| Loc Name2: | Якстерекуро буе |
| Loc Lang2: | Erzya |
| Image View: | Келейный корпус.Домовая церковь Александра Невского.jpg |
| Coordinates: | 54.4333°N 90°W |
| Federal Subject: | Republic of Mordovia |
| Adm Data As Of: | June 2015 |
| Adm Ctr Type: | town |
| Adm Ctr Name: | Krasnoslobodsk |
| Town Of District Significance Type: | Towns of district significance |
| No Of Towns Of District Significance: | 1 |
| Selsoviet Type1: | Selsoviets |
| No Of Selsoviets Type1: | 16 |
| No Of Cities Towns: | 1 |
| No Of Rural Localities: | 70 |
| Mun Data As Of: | September 2011 |
| Mun Formation1: | Krasnoslobodsky Municipal District |
| Mun Formation1 No Of Urban Settlements: | 0 |
| Mun Formation1 No Of Rural Settlements: | 16 |
| Area Km2: | 1379.4 |
| Pop 2010Census: | 26406 |
| Urban Pop 2010Census: | 38.4% |
| Rural Pop 2010Census: | 61.6% |
| Website: | http://krasnoslobodsk.e-mordovia.ru/ |
| Date: | October 2012 |
| Population of Krasnoslobodsky District | |
| Label1: | 2010 Census |
| Data1: | 26,406 |
| Label2: | 2002 Census |
| Data2: | 28,703 |
| Label3: | 1989 Census |
| Data3: | 33,669 |
| Label4: | 1979 Census |
| Data4: | 39,860 |
Krasnoslobodsky District (Russian: Краснослобо́дский райо́н; Moksha: Ошень аймак, Ošeń ajmak; Erzya: Якстерекуро буе, Jaksterekuro buje) is an administrative[1] and municipal[2] district (raion), one of the twenty-two in the Republic of Mordovia, Russia. It is located in the center of the republic. The area of the district is 1379.4km2.[3] Its administrative center is the town of Krasnoslobodsk.[4] As of the 2010 Census, the total population of the district was 26,406, with the population of Krasnoslobodsk accounting for 38.4% of that number.
Within the framework of administrative divisions, Krasnoslobodsky District is one of the twenty-two in the republic. It is divided into one town of district significance (Krasnoslobodsk) and sixteen selsoviets, all of which comprise seventy rural localities. As a municipal division, the district is incorporated as Krasnoslobodsky Municipal District. The town of district significance of Krasnoslobodsk is incorporated into an urban settlement, and the sixteen selsoviets are incorporated into sixteen rural settlements within the municipal district. The town of Krasnoslobodsk serves as the administrative center of both the administrative and municipal district.