| En Name: | Duldurginsky District |
| Ru Name: | Дульдургинский район |
| Image View: | Горы, Алханай.jpg |
| Coordinates: | 50.793°N 113.471°W |
| Federal Subject: | Zabaykalsky Krai |
| Adm Data As Of: | January 2012 |
| Adm Ctr Type: | selo |
| Adm Ctr Name: | Duldurga |
| No Of Rural Localities: | 12 |
| Mun Data As Of: | November 2011 |
| Mun Formation1: | Duldurginsky Municipal District |
| Mun Formation1 No Of Urban Settlements: | 0 |
| Mun Formation1 No Of Rural Settlements: | 10 |
| Mun Formation1 Counts Ref: | [1] |
| Area Km2: | 7200 |
| Pop 2010Census: | 15350 |
| Urban Pop 2010Census: | 0% |
| Rural Pop 2010Census: | 100% |
| Established Date: | January 16, 1941 |
| Date: | August 2011 |
Duldurginsky District (Russian: Дульдургинский райо́н) is an administrative[2] and municipal[3] district (raion) of Agin-Buryat Okrug of Zabaykalsky Krai, Russia, one of the thirty-one in the krai. It is located in the south of the krai, and borders with Chitinsky District in the north, Aginsky District in the east, Akshinsky District in the south, and with Ulyotovsky District in the west. The area of the district is 7200km2.[4] Its administrative center is the rural locality (a selo) of Duldurga. Population: 15,316 (2002 Census); The population of Duldurga accounts for 43.3% of the district's total population.
The Khentei-Daur Highlands rise at the southwestern end of the district.[5]
The district was established on January 16, 1941.