Usolsky District () is an administrative district (raion) of Perm Krai, Russia; one of the thirty-three in the krai. As a municipal division, it is incorporated as Usolsky Municipal District. It is located in the center of the krai. The area of the district is . Its administrative center is the town of Usolye. Population: The population of Usolye accounts for 40.0% of the district's total population.
About 70% of the district's territory is covered by forests, mostly coniferous.
The district was established in August 1940 as Voroshilovsky District. Present name was given to it in 1957.
Ethnic composition (according to the 2002 Census):
The economy of the district is based on forestry and timber industry, production of furniture, and agriculture.