Soligalichsky District (Russian: Солига́личский райо́н) is an administrative and municipal district (raion), one of the twenty-four in Kostroma Oblast, Russia. It is located in the northwest of the oblast. The area of the district is 3,070 square kilometers (1,190 sq mi). Its administrative center is the town of Soligalich. Population: 10,265 (2010 Census); 12,304 (2002 Census); 14,798 (1989 Census). The population of Soligalich accounts for 62.7% of the district's total population.