| En Name: | Ivolginsky District |
| Ru Name: | Иволгинский район |
| Loc Name1: | Эбилгын аймаг |
| Loc Lang1: | Buryat |
| Image View: | Утро на Иволгинском городище.jpg |
| Coordinates: | 51.75°N 124°W |
| Image Coa: | Gerb of Ivolginsky District.png |
| Federal Subject: | Republic of Buryatia |
| Adm Data As Of: | July 2013 |
| Adm Ctr Type: | selo |
| Adm Ctr Name: | Ivolginsk |
| Selsoviet Type1: | Selsoviets |
| No Of Selsoviets Type1: | 4 |
| Selsoviet Type2: | Somons |
| No Of Selsoviets Type2: | 2 |
| No Of Rural Localities: | 28 |
| Mun Data As Of: | October 2014 |
| Mun Formation1: | Ivolginsky Municipal District |
| Mun Formation1 No Of Urban Settlements: | 0 |
| Mun Formation1 No Of Rural Settlements: | 6 |
| Area Km2: | 2660 |
| Pop 2010Census: | 37983 |
| Urban Pop 2010Census: | 0% |
| Rural Pop 2010Census: | 100% |
| Established Date: | August 25, 1939 (first), August 1985 (second) |
| Website: | http://ivolginsk.info |
| Date: | February 2015 |
Ivolginsky District (Russian: Иволги́нский райо́н; Buriat: Эбилгын аймаг, Ebilgyn 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 center of the republic. The area of the district is 2660km2.[3] Its administrative center is the rural locality (a selo) of Ivolginsk. As of the 2010 Census, the total population of the district was 37,983, with the population of Ivolginsk accounting for 19.4% of that number.
The district is located in central Buryatia, mostly on the left bank of the Selenga River, in the geographical region of the Selenga Highlands.
The district was first established on August 25, 1939. In 1954, it was split between Selenginsky, Tarbagataysky, and Ulan-Udensky Districts, as well as Sovetsky City District of Ulan-Ude. In August 1985, Ivolginsky District was re-established.
Within the framework of administrative divisions, Ivolginsky District is one of the twenty-one in the Republic of Buryatia. The district is divided into four selsoviets and two somons, which comprise twenty-eight rural localities. As a municipal division, the district is incorporated as Ivolginsky Municipal District. Its four selsoviets and two somons are incorporated as six rural settlements within the municipal district. The selo of Ivolginsk serves as the administrative center of both the administrative and municipal district.