Vyazemsky District (Russian: Вя́земский райо́н) is an administrative[1] and municipal[3] district (raion), one of the twenty-five in Smolensk Oblast, Russia.

It is located in the northeast of the oblast.

The area of the district is 3,337.90 square kilometers (1,288.77 sq mi).

[1] Its administrative center is the town of Vyazma.

[6] The population of Vyazma accounts for 71.0% of the district's total population.