| En Name: | Romodanovsky District |
| Ru Name: | Ромодановский район |
| Loc Name1: | Рамаданбуе |
| Loc Lang1: | Erzya |
| Loc Name2: | Ромодановань аймак |
| Loc Lang2: | Moksha |
| Coordinates: | 54.4167°N 66°W |
| Federal Subject: | Republic of Mordovia |
| Adm Data As Of: | June 2015 |
| Adm Ctr Type: | settlement |
| Adm Ctr Name: | Romodanovo |
| Selsoviet Type1: | Selsoviets |
| No Of Selsoviets Type1: | 17 |
| No Of Rural Localities: | 49 |
| Mun Data As Of: | April 2014 |
| Mun Formation1: | Romodanovsky Municipal District |
| Mun Formation1 No Of Urban Settlements: | 0 |
| Mun Formation1 No Of Rural Settlements: | 17 |
| Area Km2: | 820.8 |
| Pop 2010Census: | 20702 |
| Urban Pop 2010Census: | 45.5% |
| Rural Pop 2010Census: | 54.5% |
| Website: | http://romodanovo.e-mordovia.ru/ |
| Date: | October 2012 |
| Population of Romodanovsky District | |
| Bodystyle: | width:23.5em |
| Label1: | 2010 Census |
| Data1: | 20,702 |
| Label2: | 2002 Census |
| Data2: | 21,986 |
| Label3: | 1989 Census |
| Data3: | 23,433 |
| Label4: | 1979 Census |
| Data4: | 27,409 |
Romodanovsky District (Russian: Ромода́новский райо́н; Erzya: Рамаданбуе, Ramadanbuje; Moksha: Ромодановань аймак, Romodanovań ajmak) is an administrative[1] and municipal[2] district (raion), one of the twenty-two in the Republic of Mordovia, Russia. It is located in the eastern central part of the republic. The area of the district is 820.8km2.[3] Its administrative center is the rural locality (a settlement) of Romodanovo.[4] As of the 2010 Census, the total population of the district was 20,702, with the population of Romodanovo accounting for 45.5% of that number.
Within the framework of administrative divisions, Romodanovsky District is one of the twenty-two in the republic. The district is divided into seventeen selsoviets which comprise forty-nine rural localities. As a municipal division, the district is incorporated as Romodanovsky Municipal District. Its seventeen selsoviets are incorporated into seventeen rural settlements within the municipal district. The settlement of Romodanovo serves as the administrative center of both the administrative and municipal district.