Bolshesosnovsky District is an administrative district (raion) of Perm Krai, Russia; one of the thirty-three in the krai. Municipally, it is incorporated as Bolshesosnovsky Municipal District. It is located in the southwest of the krai. The area of the district is . Its administrative center is the rural locality (a selo) of Bolshaya Sosnova. Population: The population of Bolshaya Sosnova accounts for 33.5% of the district's total population.