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Cynthia M. Lummis
U.S. Senator, Wyoming
127A Russell Senate Office Building Washington, DC 20510
Summary
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.
Source: Wikipedia · as of Jul 7, 2026
Views on the Issues
See where Senator Lummis stands — alongside Democratic and Republican positions.
Sponsored Legislation
See all 243 →S 4806
S 4806 · Introduced Jun 17, 2026 · Energy
Jun 17, 2026: Read twice and referred to the Committee on Energy and Natural Resources.
S 4619
S 4619 · Introduced May 21, 2026 · Environmental Protection
May 21, 2026: Read twice and referred to the Committee on Environment and Public Works.
S 4529
S 4529 · Introduced May 14, 2026 · Energy
May 20, 2026: Committee on Environment and Public Works Subcommittee on Clean Air, Climate, and Nuclear Innovation and Safety. Hearings held.
S 4267
S 4267 · Introduced Mar 26, 2026 · Energy
Mar 26, 2026: Read twice and referred to the Committee on Energy and Natural Resources.
S 4146
S 4146 · Introduced Mar 19, 2026 · Environmental Protection
Mar 19, 2026: Read twice and referred to the Committee on Environment and Public Works.
SRES 645
SRES 645 · Introduced Mar 17, 2026 · Agriculture and Food
Mar 17, 2026: Referred to the Committee on Energy and Natural Resources. (text: CR S1093-1094)
S 3836
S 3836 · Introduced Feb 11, 2026 · Environmental Protection
Feb 11, 2026: Read twice and referred to the Committee on Environment and Public Works.
S 3611
S 3611 · Introduced Jan 12, 2026 · Finance and Financial Sector
Jan 12, 2026: Read twice and referred to the Committee on Banking, Housing, and Urban Affairs.
S 3520
S 3520 · Introduced Dec 17, 2025 · Public Lands and Natural Resources
Dec 17, 2025: Read twice and referred to the Committee on Agriculture, Nutrition, and Forestry.
Source: Congress.gov · as of Jul 6, 2026
Recent Votes
See all →Most recent Senate floor votes in the 119th Congress. Data from the U.S. Senate.
A joint resolution to direct the removal of United States Armed Forces from hostilities within or against the Islamic Republic of Iran that have not been authorized by Congress.
Jun 24, 2026 · S.J.RES. 185 · On the Motion to Proceed · Roll Call 192
Motion to Proceed RejectedNay
Matthew A. Schwartz, of New York, to be United States Circuit Judge for the Second Circuit
Jun 24, 2026 · PN 938-2 · On the Cloture Motion · Roll Call 191
Cloture Motion Agreed toYea
A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Education relating to "Reimagining and Improving Student Education-Federal Student Loan Program Final Regulations".
Jun 24, 2026 · S.J.RES. 196 · On the Motion to Proceed · Roll Call 190
Motion to Proceed RejectedNay
Landmark Legislation
Major bills from recent Congresses — outcomes and party vote breakdowns.
Inflation Reduction Act
Enacted2022 · H.R. 5376Largest climate investment in U.S. history; allowed Medicare to negotiate drug prices; reduced the federal deficit.
D: 50 yeaR: 0 yeaFinal: 51–50
CHIPS Act
Enacted2022 · H.R. 4346Invested $52 billion in domestic semiconductor manufacturing to reduce dependence on foreign chip supply chains.
D: 47 yeaR: 17 yeaFinal: 64–33
Bipartisan Infrastructure Law
Enacted