Lois Kolkhorst is a member of the Texas State Senate, representing District 18. She assumed office on December 22, 2014. Her current term ends on January 11, 2027. Kolkhorst is running for re-election to the Texas State Senate to represent District 18. She is on the ballot in the general election on November 3, 2026. She advanced from the Republican primary on March 3, 2026. Kolkhorst is a former Republican member of the Texas House of Representatives, representing District 13 from 2001 to 2015.