Elizabeth Lynne Cheney is an American attorney and politician. She represented Wyoming's at-large congressional district in the U.S. House of Representatives from 2017 to 2023, and served as chair of the House Republican Conference from 2019 to 2021. Cheney is known for her vocal opposition to Donald Trump. As of March 2023, she is a professor of practice at the University of Virginia Center for Politics.
Cheney is the elder daughter of former vice president Dick Cheney and second lady Lynne Cheney. She held several positions in the U.S. State Department during the George W. Bush administration. She promoted regime change in Iran while chairing the Iran Syria Policy and Operations Group with Elliott Abrams. In 2009, Cheney and Bill Kristol founded Keep America Safe, a nonprofit organization concerned with national security issues that supported the Bush–Cheney administration's positions. In 2014 she was briefly a candidate for the U.S. Senate in Wyoming, challenging incumbent Mike Enzi before withdrawing. She was elected to the House of Representatives in 2016, holding the same seat her father had held from 1979 to 1989.