Rubén Eloy Hinojosa is an American politician who served as the U.S. representative for Texas's 15th congressional district, from 1997 to 2017. He is a member of the Democratic Party. The district stretched from Seguin, to McAllen on the Mexican border. Much of the region was rural although Hidalgo County is part of the third-fastest-growing metropolitan statistical area in the country. Hinojosa served on the Financial Services and Education committees.

Texas's 15th congressional district of the United States House of Representatives includes a thin section of the far south of the state of Texas. The district's current Representative is Republican Monica De La Cruz. Elected in 2022, de la Cruz is the first Republican and woman to represent the district.