| En Name: | Muyezersky District |
| Ru Name: | Муезерский район |
| Other Name: | Mujejärven piiri |
| Other Lang: | Karelian |
| Image View: | Вид с вершины Воттоваары.jpg |
| Coordinates: | 63.95°N 90°W |
| Image Coa: | Coat-of-arms-of-Muezersky-district.svg |
| Federal Subject: | Republic of Karelia |
| Adm Data As Of: | June 2015 |
| Adm Ctr Type: | urban-type settlement |
| Adm Ctr Name: | Muyezersky |
| No Of Urban-Type Settlements: | 1 |
| No Of Rural Localities: | 23 |
| Mun Data As Of: | April 2013 |
| Mun Formation1: | Muyezersky Municipal District |
| Mun Formation1 No Of Urban Settlements: | 1 |
| Mun Formation1 No Of Rural Settlements: | 7 |
| Area Km2: | 17600 |
| Area Km2 Ref: | [1] |
| Pop 2010Census: | 12236 |
| Urban Pop 2010Census: | 27.2% |
| Rural Pop 2010Census: | 72.8% |
| Website: | http://www.muezersky.ru |
| Date: | November 2009 |
| Population of Muyezersky District | |
| Label1: | 2010 Census |
| Data1: | 12,236 |
| Label2: | 2002 Census |
| Data2: | 16,556 |
| Label3: | 1989 Census |
| Data3: | 20,638 |
| Label4: | 1979 Census |
| Data4: | 21,947 |
Muyezersky District (Russian: Муезе́рский райо́н; Karelian: Mujejärven piiri) is an administrative district (raion), one of the fifteen in the Republic of Karelia, Russia.[2] It is located in the west of the republic. The area of the district is 17600km2.[1] Its administrative center is the urban locality (an urban-type settlement) of Muyezersky.[3] As of the 2010 Census, the total population of the district was 12,236, with the population of the administrative center accounting for 27.2% of that number.
Within the framework of administrative divisions, Muyezersky District is one of the fifteen in the Republic of Karelia and has administrative jurisdiction over one urban-type settlement (Muyezersky) and twenty-three rural localities. As a municipal division, the district is incorporated as Muyezersky Municipal District.[4] The urban-type settlement of Muyezersky is incorporated into an urban settlement, while the twenty-three rural localities are incorporated into seven rural settlements within the municipal district.[5] The urban-type settlement of Muyezersky serves as the administrative center of both the administrative and municipal district.