Dubensky District (Russian: Дубе́нский райо́н) is an administrative district (raion), one of the twenty-three in Tula Oblast, Russia.

[1] Within the framework of municipal divisions, it is incorporated as Dubensky Municipal District.

[4] It is located northwest of the oblast.

The area of the district is 799 square kilometers (308 sq mi).

[2] Its administrative center is the urban locality (a work settlement) of Dubna.