Cynthia Marie Lummis Wiederspahn is an American attorney and politician serving as the junior United States senator from Wyoming since 2021. A member of the Republican Party, Lummis served as the U.S. representative for Wyoming's at-large congressional district from 2009 to 2017. She served in the Wyoming House of Representatives from 1979 to 1983 and from 1985 to 1993, in the Wyoming Senate from 1993 to 1995, and as the Wyoming State Treasurer from 1999 to 2007.

100 votes
13 days until Election Day
Tuesday, November 3, 2026 — every House seat and about a third of the Senate are on the ballot.
Born
1954-09-10, Cheyenne
Education
University of Wyoming, University of Wyoming College of Law, Cheyenne East High School
Prior Occupations
politician, lawyer, rancher
Positions Held
United States representative, member of the Wyoming House of Representatives, member of the State Senate of Wyoming, Wyoming State Treasurer, United States senator
Country
United States
Chamber
Senate
Party
Republican
State
Wyoming
Status
Current member
In office since
2009
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