Kuhistoni Mastchoh District or Nohiya-i Kuhistoni Mastchoh (Tajik: Ноҳияи Кӯҳистони Мастчоҳ), also known as the Gorno-Matchinsky Region (Russian: Горно-Матчинский район) is a district in Sughd Region, Tajikistan.

The capital of district is the village of Mehron.

The population of the district is 25,400 (January 2020 estimate).

[1] The district has an area of about 3,700 km2 (1,000 sq mi) and is divided administratively into two jamoats.

[2] They are as follows:[3] This Tajikistan location article is a stub.