Tatishchevsky District (Russian: Татищевский райо́н) is an administrative and municipal district (raion), one of the thirty-eight in Saratov Oblast, Russia. It is located in the center of the oblast. The area of the district is 2,100 square kilometers (810 sq mi). Its administrative center is the urban locality (a work settlement) of Tatishchevo. Population: 28,405 (2010 Census); 29,506 (2002 Census); 36,502 (1989 Census).