Texas's 9th congressional district of the United States House of Representatives includes the southwestern portion of the Greater Houston area in Texas.

The current Representative for the district, since 2005, is Democrat Al Green.

From 1967 to 2005, the 9th covered an area stretching from Galveston through Houston to Beaumont.

Most of the area now in the 9th was in the 25th district from 1983 to 2005.

For the 118th and successive Congresses (based on redistricting following the 2020 census), the district contains all or portions of the following counties and communities:[5] Brazoria County (3) Fort Bend County (8) Harris County (2) From 1967 to 2005, the district included the Johnson Space Center, and from 1935 to 2005, it took in Galveston.