Cynthia Lummis

Cynthia Marie Lummis Wiederspahn (born September 10, 1954) is an American politician. Lummis is the junior United States Senator from Wyoming since 2021. She was the U.S. Representative for Wyoming's at-large congressional district from 2009 to 2017.

Cynthia Lummis
United States Senator from Wyoming
Incumbent
Assumed office January 3, 2021 Serving with John Barrasso
Preceded by	Mike Enzi
Member of the U.S. House of Representatives from Wyoming's at-large district
In office January 3, 2009 – January 3, 2017
Preceded by	Barbara Cubin
Succeeded by	Liz Cheney
27th Treasurer of Wyoming
In office January 4, 1999 – January 9, 2007
Governor	Jim Geringer Dave Freudenthal
Preceded by	Stan Smith
Succeeded by	Joe Meyer
Member of the Wyoming Senate from the 5th district
In office January 14, 1993 – January 10, 1995
Preceded by	Gary Yordy
Succeeded by	Donald Lawler
Member of the Wyoming House of Representatives from the Laramie County district
In office January 7, 1985 – January 14, 1993
In office January 8, 1979 – January 3, 1983
Personal details
Born	Cynthia Marie Lummis 10 September 1954 (aged 71) Cheyenne, Wyoming
Political party	Republican
Spouse(s)	Alvin Wiederspahn ​ ​ (m. 1983; died 2014)​
Children	1
Education	University of Wyoming (BS, BS, JD)
Website	Campaign website

Lummis is a member of the Republican Party. She was a State Representative (1979–1983, 1985–1993), State Senator (1993–1995), and State Treasurer (1999–2007).

She retired from Congress in 2016. She successfully ran for the United States Senate in the 2020 election, winning the election.

Cynthia Lummis Media

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  Representative Cynthia Lummis in 2009

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  Cynthia Lummis with representatives Eric Cantor and Mary Fallin

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  Lummis with President Donald Trump, Susie Wiles, and fellow female Republican senators, January 2025

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  Congresswoman Cynthia Lummis speaking at the Western Republican Leadership Conference in Las Vegas, Nevada. Please attribute to Gage Skidmore if used elsewhere.

Other websites

• Lummis for Wyoming
• Cynthia Lummis on Facebook

• Biography at the Biographical Directory of the United States Congress
• Voting record maintained by The Washington Post
• Biography, voting record, and interest group ratings at Project Vote Smart
• Campaign finance reports and data at the Federal Election Commission
• Lummis Appearances on C-SPAN
• The Cynthia M. Lummis papers Archived 2020-07-12 at the Wayback Machine at the American Heritage Center