District 30 is a district in the Texas House of Representatives.

It was created in the 3rd Legislature (1849–1851).

[1] The district encompasses the entirety of Willacy County and just under 40% of Cameron County.

[2] It includes the cities of Raymondville, Harlingen, portions of Brownsville, Port Isabel, and Primera.

[3] It has been represented by Janie Lopez since 2023.