Dubyonsky District (Russian: Дубёнский райо́н; Erzya: Тумобуе, Tumobuje; Moksha: Дубёнкань аймак, Dubönkań ajmak) is an administrative[1] and municipal[6] district (raion), one of the twenty-two in the Republic of Mordovia, Russia.

The area of the district is 896.9 square kilometers (346.3 sq mi).

[4] Its administrative center is the rural locality (a selo) of Dubyonki.

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

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