| En Name: | Zakamensky District |
| Ru Name: | Закаменский район |
| Loc Name1: | Захааминай аймаг |
| Loc Lang1: | Buryat |
| Image View: | Закаменский пейзаж.jpg |
| Coordinates: | 55.75°N 129°W |
| Image Coa: | Герб Закаменского района.gif |
| Federal Subject: | Republic of Buryatia |
| Adm Data As Of: | November 2015 |
| Adm Ctr Type: | town |
| Adm Ctr Name: | Zakamensk |
| Town Of District Significance Type: | Towns |
| No Of Towns Of District Significance: | 1 |
| Selsoviet Type1: | Selsoviets |
| No Of Selsoviets Type1: | 5 |
| Selsoviet Type2: | Somons |
| No Of Selsoviets Type2: | 18 |
| No Of Cities Towns: | 1 |
| No Of Rural Localities: | 26 |
| Mun Data As Of: | October 2015 |
| Mun Formation1: | Zakamensky Municipal District |
| Mun Formation1 No Of Urban Settlements: | 1 |
| Mun Formation1 No Of Rural Settlements: | 22 |
| Area Km2: | 15320 |
| Pop 2010Census: | 28453 |
| Urban Pop 2010Census: | 40.5% |
| Rural Pop 2010Census: | 59.5% |
| Website: | http://mcu-zakamna.ru |
| Date: | August 2015 |
| Population of Zakamensky District | |
| Label1: | 2010 Census |
| Data1: | 28,453 |
| Label2: | 2002 Census |
| Data2: | 29,692 |
| Label3: | 1989 Census |
| Data3: | 34,533 |
| Label4: | 1979 Census |
| Data4: | 32,372 |
Zakamensky District (Russian: Зака́менский райо́н; Buriat: Захааминай аймаг, Zakhaaminai aimag) is an administrative[1] and municipal[2] district (raion), one of the twenty-one in the Republic of Buryatia, Russia. It is located in the southwest of the republic. The area of the district is 15320km2.[3] Its administrative center is the town of Zakamensk. As of the 2010 Census, the total population of the district was 28,453, with the population of Zakamensk accounting for 40.5% of that number.
Within the framework of administrative divisions, Zakamensky District is one of the twenty-one in the Republic of Buryatia. It is divided into one town (an administrative division with the administrative center in the town (an inhabited locality) of Zakamensk), five selsoviets, and eighteen somons, which comprise twenty-six rural localities. As a municipal division, the district is incorporated as Zakamensky Municipal District. The Town of Zakamensk and Kholtosonsky Selsoviet are incorporated as Zakamensk Urban Settlement, while the remaining four selsoviets and eighteen somons are incorporated into twenty-two rural settlements within the municipal district. The town of Zakamensk serves as the administrative center of both the administrative and municipal district.
Kholtosonsky Selsoviet used to be municipally incorporated as Kholtosonskoye Rural Settlement, but the latter was merged into Zakamensk Urban Settlement on July 18, 2015.