Delwin L. Jones (born April 2, 1924) is an American state political figure from West Texas who prior to 2011 was the oldest member of the Texas House of Representatives, having represented what became and what remains District 83, based in the area about Lubbock, Texas. Jones was originally elected as a Democrat in 1964, when that party held 149 of the 150 seats in the Texas House. Jones was defeated for re-nomination in 1972 by cotton farmer Pete Laney of Hale Center, later the House Speaker.