South Houston is a city in the U.S. state of Texas, within Houston–The Woodlands–Sugar Land metropolitan area and Harris County. The population was 16,153 at the 2020 census. It is bordered by the cities of Houston and Pasadena, and geographically located southeast of Houston.

Texas's 29th congressional district of the United States House of Representatives covers the eastern portion of the Greater Houston area in the state of Texas. The current Representative from the 29th district is Democrat Sylvia Garcia.