Elizabeth Lynne Cheney CHAY-nee; born July 28, 1966 is an American attorney and politician who has been the U.S. representative for Wyoming's at-large congressional district since 2017.

She chaired the House Republican Conference, the third-highest position in the House Republican leadership, from 2019 to 2021.

Cheney is the elder daughter of former vice president Dick Cheney and Second Lady Lynne Cheney.

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, which advocated the Bush–Cheney administration's positions.

In the House of Representatives, she holds the seat her father held from 1979 to 1989.

Cheney supported the second impeachment of Donald Trump for his role in the 2021 storming of the U.S. Capitol.

In July 2021, Speaker Nancy Pelosi appointed Cheney to the House Select Committee on the January 6 Attack.

Before attending law school, Cheney worked for the State Department for five years and the United States Agency for International Development between 1989 and 1993.