RepublicanU.S. Senator, Wyoming
Cynthia M. Lummis
In the Senate since Jan 3, 2021 (1 term). Current term ends Jan 3, 2027. Born Sep 10, 1954.
Official website · DC office 202-224-3424 · @SenLummis
This seat is rated competitive for 2026: Wyoming Senate, Solid R.
At a glance
44Bills and joint resolutions sponsored (119th)
2Sponsored bills that became law
290Bills cosponsored
3.3%Roll-call votes missed (30 of 915)
98.5%Votes with own party's majority
$1,493,104Raised, 2025 to 2026 cycle
Sources: GovInfo Bill Status (Congress.gov data); Voteview roll-call data; FEC. Party-unity counts only votes where the party majority took a side; independents who caucus with Democrats are compared with Democrats.
Bills sponsored
| Bill | Title | Introduced | Latest action |
|---|---|---|---|
| S. 5663 | PROOF Act Science, Technology, Communications · 0 cosponsors | Sep 30, 2026 | Read twice and referred to the Committee on Commerce, Science, and Transportation. Sep 30, 2026 |
| S.J.Res. 205 | A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Nonroad Engine Pollution Control Standards; Small Off-Road Engines Regulations; Notice of Decision". Environmental Protection · 11 cosponsors | Aug 5, 2026 | Read twice and referred to the Committee on Environment and Public Works. Aug 5, 2026 |
| S. 4956 | Farmers and Ranchers Relief Act of 2026 Environmental Protection · 4 cosponsors | Jul 13, 2026 | Read twice and referred to the Committee on Environment and Public Works. Jul 13, 2026 |
| S. 4806 | POWER Up Act Energy · 0 cosponsors | Jun 17, 2026 | Read twice and referred to the Committee on Energy and Natural Resources. Jun 17, 2026 |
| S. 4619 | Protect Domestic Oil and Gas Small Business Act of 2026 Environmental Protection · 10 cosponsors | May 21, 2026 | Read twice and referred to the Committee on Environment and Public Works. May 21, 2026 |
| S. 4529 | Build Nuclear with Local Materials Act of 2026 Energy · 1 cosponsors | May 14, 2026 | Committee on Environment and Public Works Subcommittee on Clean Air, Climate, and Nuclear Innovation and Safety. Hearings held. May 20, 2026 |
| S. 4267 | Strengthening American Nuclear Energy Act of 2026 Energy · 1 cosponsors | Mar 26, 2026 | Read twice and referred to the Committee on Energy and Natural Resources. Mar 26, 2026 |
| S. 4146 | Local Data for Better Conservation Act Environmental Protection · 8 cosponsors | Mar 19, 2026 | Read twice and referred to the Committee on Environment and Public Works. Mar 19, 2026 |
| S. 3836 | FENCES Act Environmental Protection · 1 cosponsors | Feb 11, 2026 | Read twice and referred to the Committee on Environment and Public Works. Feb 11, 2026 |
| S. 3611 | Blockchain Regulatory Certainty Act of 2026 Finance and Financial Sector · 1 cosponsors | Jan 12, 2026 | Read twice and referred to the Committee on Banking, Housing, and Urban Affairs. Jan 12, 2026 |
| S. 3520 | CLEAR Act of 2025 Public Lands and Natural Resources · 4 cosponsors | Dec 17, 2025 | Read twice and referred to the Committee on Agriculture, Nutrition, and Forestry. Dec 17, 2025 |
| S. 3416 | Safeguarding U.S. Rulemaking Act Government Operations and Politics · 5 cosponsors | Dec 10, 2025 | Read twice and referred to the Committee on Homeland Security and Governmental Affairs. Dec 10, 2025 |
| S. 3278 | SMART Infrastructure Act of 2025 Transportation and Public Works · 1 cosponsors | Nov 20, 2025 | Read twice and referred to the Committee on Commerce, Science, and Transportation. Nov 20, 2025 |
| S. 3045 | COAL Act of 2025 Environmental Protection · 1 cosponsors | Oct 23, 2025 | Read twice and referred to the Committee on Energy and Natural Resources. Oct 23, 2025 |
| S. 3007 | Diesel Truck Liberation Act of 2025 Environmental Protection · 2 cosponsors | Oct 14, 2025 | Read twice and referred to the Committee on Environment and Public Works. Oct 14, 2025 |
| S. 2991 | Connor’s Law Transportation and Public Works · 2 cosponsors | Oct 8, 2025 | Read twice and referred to the Committee on Commerce, Science, and Transportation. Oct 8, 2025 |
| S.J.Res. 89 | A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Land Management relating to "Buffalo Field Office Record of Decision and Approved Resource Management Plan Amendment". Public Lands and Natural Resources · 1 cosponsors | Oct 8, 2025 | Indefinitely postponed by Senate by Unanimous Consent. (consideration: CR S8395) Nov 20, 2025 |
| S. 2952 | $2.50 for America’s 250th Act Finance and Financial Sector · 7 cosponsors | Sep 30, 2025 | Read twice and referred to the Committee on Banking, Housing, and Urban Affairs. Sep 30, 2025 |
| S. 2579 | Endangered Species Recovery Act of 2025 Environmental Protection · 5 cosponsors | Jul 31, 2025 | Read twice and referred to the Committee on Environment and Public Works. Jul 31, 2025 |
| S. 2471 | 21st Century Mortgage Act of 2025 Finance and Financial Sector · 0 cosponsors | Jul 28, 2025 | Read twice and referred to the Committee on Banking, Housing, and Urban Affairs. Jul 28, 2025 |
Showing the 20 most recent. Full list: Congress.gov member page. Bill data: GovInfo Bill Status bulk data.
Recent roll-call votes
| Date | Vote | Question | Position |
|---|---|---|---|
| Sep 30, 2026 | Senate roll call 915 PN1129 | On the Nomination Keith Sonderling, of Florida, to be Secretary of Labor Result: Nomination Confirmed | Yea |
| Sep 30, 2026 | Senate roll call 914 PN1129 | On the Cloture Motion Keith Sonderling, of Florida, to be Secretary of Labor Result: Cloture Motion Agreed to | Yea |
| Sep 30, 2026 | Senate roll call 913 HR9340 | On Cloture on the Motion to Proceed A bill to amend the Public Utility Regulatory Policies Act of 1978 to establish a Federal standard relating to the recovery of the full, incremental costs of upgrades that serve large-load customers, and for other purposes. Result: Cloture on the Motion to Proceed Rejected | Yea |
| Sep 30, 2026 | Senate roll call 912 HR7008 | On Cloture on the Motion to Proceed A bill to amend chapter 131 of title 5 to require certain restrictions on stocks for Members of Congress and their spouses and dependents, and for other purposes. Result: Cloture on the Motion to Proceed Rejected | Yea |
| Sep 29, 2026 | Senate roll call 911 SRES852 | On the Motion to Discharge A resolution requesting information on Israel's human rights practices pursuant to section 502B(c) of the Foreign Assistance Act of 1961. Result: Motion to Discharge Rejected | Nay |
| Sep 29, 2026 | Senate roll call 910 SJRES197 | On the Motion to Proceed A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Centers for Medicare & Medicaid Services of the Department of Health and Human Services relating to "Patient Protection and Affordable Care Act, HHS Notice of Benefit and Payment Parameters for 2027; and Basic Health Program". Result: Motion to Proceed Rejected | Nay |
| Sep 28, 2026 | Senate roll call 909 S4668 | On Passage of the Bill A bill to protect the name, image, and likeness rights of, and provide protections for, student athletes and to promote fair competition among intercollegiate athletics, and for other purposes. Result: Bill Passed | Yea |
| Sep 28, 2026 | Senate roll call 908 S4668 | On the Amendment To establish certain standards with respect to coaches of varsity sports teams. Result: Amendment Rejected | Nay |
| Sep 28, 2026 | Senate roll call 907 S4668 | On the Amendment To increase the limitation on funding for post-eligibility insurance and catastrophic injury for student athletes. Result: Amendment Rejected | Nay |
| Sep 28, 2026 | Senate roll call 906 S4668 | On the Amendment To limit price increases for college athletics tickets. Result: Amendment Rejected | Nay |
| Sep 28, 2026 | Senate roll call 905 S4668 | On the Amendment To improve the bill. Result: Amendment Rejected | Nay |
| Sep 28, 2026 | Senate roll call 904 S4668 | On the Amendment To modify the provision relating to the relationship of this Act to existing law. Result: Amendment Agreed to | Yea |
| Sep 24, 2026 | Senate roll call 903 HCONRES89 | On the Concurrent Resolution A concurrent resolution directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with Iran. Result: Concurrent Resolution Rejected | Nay |
| Sep 24, 2026 | Senate roll call 902 S4668 | On the Cloture Motion A bill to protect the name, image, and likeness rights of, and provide protections for, student athletes and to promote fair competition among intercollegiate athletics, and for other purposes. Result: Cloture Motion Agreed to | Yea |
| Sep 24, 2026 | Senate roll call 901 S4668 | On the Amendment In the nature of a substitute. Result: Amendment Agreed to | Yea |
Source: Voteview (UCLA), built from official House Clerk and Senate roll calls. Full record: GovTrack.
Committees
- Senate Committee on Banking, Housing, and Urban Affairs
- Senate Committee on Commerce, Science, and Transportation
- Senate Committee on Environment and Public Works
Source: unitedstates/congress-legislators committee membership
Earmarks (Community Project Funding / Congressionally Directed Spending)
Draft: project-level earmark requests are not loaded yet. Members post their requests publicly; see the Senate Appropriations Committee list and the member's own website.
Sources: Senate Appropriations Committee · member website
Campaign money
$1,493,104Total raised
$402,561From individuals
$1,355,052Spent
$815,391Cash on hand
Source: FEC candidate summary, H8WY00148, coverage through Sep 30, 2026. Top donors: OpenSecrets.
Positions and background
Read the member's stated positions, ratings from interest groups, and biography from independent sources:
Vote SmartBallotpediaGovTrackCongressional BiographyWikipedia
Data refreshed Oct 29, 2026.