District 89 is a district in the Texas House of Representatives. The district contains the southeastern portion of Collin County, Texas. It contains the cities of Josephine, Lavon, Lowry Crossing, Lucas, Nevada, Parker, St. Paul, and parts of Allen, Dallas, Fairview, McKinney, Murphy, Plano, Princeton, Royse City, and Wylie. The district has been represented by Candy Noble since 2019.