| En Name: | Karmaskalinsky District |
| Ru Name: | Кармаскалинский район |
| Loc Name1: | Ҡырмыҫҡалы районы |
| Loc Lang1: | Bashkir |
| Image View: | РБ Новомусино Голубое озеро (3) - panoramio.jpg |
| Coordinates: | 54.3667°N 67°W |
| Image Coa: | Coat of Arms of Karmaskaly rayon (Bashkortostan).png |
| Federal Subject: | Republic of Bashkortostan |
| Adm Data As Of: | February 2013 |
| Adm Ctr Type: | selo |
| Adm Ctr Name: | Karmaskaly |
| Selsoviet Type1: | Selsoviets |
| No Of Selsoviets Type1: | 16 |
| No Of Rural Localities: | 122 |
| Mun Data As Of: | July 2012 |
| Mun Formation1: | Karmaskalinsky Municipal District |
| Mun Formation1 No Of Urban Settlements: | 0 |
| Mun Formation1 No Of Rural Settlements: | 16 |
| Area Km2: | 1750 |
| Pop 2010Census: | 51504 |
| Urban Pop 2010Census: | 0% |
| Rural Pop 2010Census: | 100% |
| Established Date: | August 20, 1930 |
| Website: | https://web.archive.org/web/20120906114011/http://www.admkarm.ru/ |
| Date: | January 2015 |
| Population of Karmaskalinsky District | |
| Label1: | 2010 Census |
| Data1: | 51,504 |
| Label2: | 2002 Census |
| Data2: | 54,585 |
| Label3: | 1989 Census |
| Data3: | 46,376 |
| Label4: | 1979 Census |
| Data4: | 50,019 |
Karmaskalinsky District (Russian: Кармаскали́нский райо́н; Bashkir: Ҡырмыҫҡалы районы, Qırmıśqalı rayonı) is an administrative[1] and municipal[2] district (raion), one of the fifty-four in the Republic of Bashkortostan, Russia. It is located in the center of the republic and borders with Ufimsky and Iglinsky Districts in the north, Arkhangelsky District in the east, Gafuriysky District in the southeast, Aurgazinsky District in the south, Alsheyevsky District in the southwest, and with Chishminsky District in the west. The area of the district is 1750km2.[3] Its administrative center is the rural locality (a selo) of Karmaskaly. As of the 2010 Census, the total population of the district was 51,504, with the population of Karmaskaly accounting for 16.6% of that number.
The district was established on August 20, 1930.
Within the framework of administrative divisions, Karmaskalinsky District is one of the fifty-four in the Republic of Bashkortostan. The district is divided into 16 selsoviets, comprising 122 rural localities.[4] As a municipal division, the district is incorporated as Karmaskalinsky Municipal District. Its sixteen selsoviets are incorporated as sixteen rural settlements within the municipal district. The selo of Karmaskaly serves as the administrative center of both the administrative and municipal district.