| En Name: | Rostovsky District |
| Ru Name: | Ростовский район |
| Image View: | Lake nero.jpg |
| Coordinates: | 57.1833°N 64°W |
| Image Coa: | Coat of Arms of Rostov District.jpg |
| Federal Subject: | Yaroslavl Oblast |
| Adm Data As Of: | December 2012 |
| Adm Ctr Type: | town |
| Adm Ctr Name: | Rostov |
| Urban-Type Settlement Of District Significance Type: | Work settlements |
| No Of Urban-Type Settlements Of District Significance: | 4 |
| Selsoviet Type1: | Rural okrugs |
| No Of Selsoviets Type1: | 17 |
| No Of Urban-Type Settlements: | 4 |
| No Of Rural Localities: | 303 |
| Counts Ref: | [1] |
| Mun Data As Of: | December 2011 |
| Mun Formation1: | Rostovsky Municipal District |
| Mun Formation1 No Of Urban Settlements: | 1 |
| Mun Formation1 No Of Rural Settlements: | 4 |
| Area Of What: | municipal district |
| Area As Of: | 2016 |
| Area Km2: | 2081.82 |
| Pop 2010Census: | 34062 |
| Urban Pop 2010Census: | 49.4% |
| Rural Pop 2010Census: | 50.6% |
| Website: | http://www.admrostov.ru |
| Date: | November 2017 |
| Population of Rostovsky District | |
| Label1: | 2010 Census |
| Data1: | 34,062 |
| Label2: | 2002 Census |
| Data2: | 38,593 |
| Label3: | 1989 Census |
| Data3: | 43,047 |
| Label4: | 1979 Census |
| Data4: | 41,671 |
Rostovsky District (Russian: Росто́вский райо́н) is an administrative[2] and municipal[3] district (raion), one of the seventeen in Yaroslavl Oblast, Russia. It is located in the southeast of the oblast. The area of the district is 2081.82km2.[4] Its administrative center is the town of Rostov (which is not administratively a part of the district). As of the 2010 Census, the total population of the district was 34,062.
Within the framework of administrative divisions, Rostovsky District is one of the seventeen in the oblast. The town of Rostov serves as its administrative center, despite being incorporated separately as a town of oblast significance—an administrative unit with the status equal to that of the districts.
As a municipal division, the district is incorporated as Rostovsky Municipal District, with the town of oblast significance of Rostov being incorporated within it as Rostov Urban Settlement.