Romodanovsky District (Russian: Ромода́новский райо́н; Erzya: Рамаданбуе, Ramadanbuje; Moksha: Ромодановань аймак, Romodanovań ajmak) is an administrative[1] and municipal[5] district (raion), one of the twenty-two in the Republic of Mordovia, Russia.

The area of the district is 820.8 square kilometers (316.9 sq mi).

[3] Its administrative center is the rural locality (a settlement) of Romodanovo.

[4] Within the framework of administrative divisions, Romodanovsky District is one of the twenty-two in the republic.

[1] The district is divided into seventeen selsoviets which comprise forty-nine rural localities.