Stupinsky District (Russian: Сту́пинский райо́н) is an administrative and municipal district (raion), one of the thirty-six in Moscow Oblast, Russia. It is located in the south of the oblast. The area of the district is 1,707.73 square kilometers (659.36 sq mi). Its administrative center is the town of Stupino. Population: 119,282 (2010 Census); 116,007 (2002 Census); 49,439 (1989 Census). The population of Stupino accounts for 56.0% of the district's total population.