William Todd Tiahrt ( TEE-hart; born June 15, 1951) is an American politician who served as the U.S. representative for Kansas's 4th congressional district from 1995 to 2011. A member of the Republican Party, he was elected as part of the historic Republican Wave of 1994, defeating 18-year incumbent U.S. Representative Dan Glickman. He ran in 2010 for the United States Senate seat being vacated by Sam Brownback. He lost to fellow Republican U.S. Representative Jerry Moran of Hays, Kansas, 50%–45%.Tiahrt twice sought to regain the 4th District House seat, representing a district which encompasses eleven counties in the south central region of the state, including the City of Wichita. In 2014, he ran against incumbent Mike Pompeo in the Republican primary but was defeated. Then, in 2017, after Pompeo vacated the seat to become President Donald Trump's CIA Director, Tiahrt sought the Republican nomination for the special election to fill it, but came in third, losing to Kansas state treasurer Ron Estes.