Cynthia M. Lummis
RepublicanWyomingSenate
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 →Terms of Service
House of Representatives · 2009–2011
House of Representatives · 2011–2013
House of Representatives · 2013–2015
House of Representatives · 2015–2017
Senate · 2021–2023
Senate · 2023–2025
Senate · 2025–present
Sponsored Legislation
SPEED Act
119-S-1894Transportation and Public WorksMay 22, 2025
Read twice and referred to the Committee on Environment and Public Works.
Common Cents Act
119-S-1525Finance and Financial SectorAug 10, 2026
Held at the desk.
Safeguarding U.S. Rulemaking Act
119-S-3416Government Operations and PoliticsDec 10, 2025
Read twice and referred to the Committee on Homeland Security and Governmental Affairs.
Pay Down the Debt Act
119-S-2187Economics and Public FinanceJun 26, 2025
Read twice and referred to the Committee on Appropriations.
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".
119-SJRES-205Environmental ProtectionAug 5, 2026
Read twice and referred to the Committee on Environment and Public Works.
Farmers and Ranchers Relief Act of 2026
119-S-4956Environmental ProtectionJul 13, 2026
Read twice and referred to the Committee on Environment and Public Works.
POWER Up Act
119-S-4806EnergyJun 17, 2026
Read twice and referred to the Committee on Energy and Natural Resources.
Protect Domestic Oil and Gas Small Business Act of 2026
119-S-4619Environmental ProtectionMay 21, 2026
Read twice and referred to the Committee on Environment and Public Works.
Build Nuclear with Local Materials Act of 2026
119-S-4529EnergyMay 20, 2026
Committee on Environment and Public Works Subcommittee on Clean Air, Climate, and Nuclear Innovation and Safety. Hearings held.
Strengthening American Nuclear Energy Act of 2026
119-S-4267EnergyMar 26, 2026
Read twice and referred to the Committee on Energy and Natural Resources.
Local Data for Better Conservation Act
119-S-4146Environmental ProtectionMar 19, 2026
Read twice and referred to the Committee on Environment and Public Works.
A resolution recognizing 2026 as the "International Year of Rangelands and Pastoralists".
119-SRES-645Agriculture and FoodMar 17, 2026
Referred to the Committee on Energy and Natural Resources. (text: CR S1093-1094)
FENCES Act
119-S-3836Environmental ProtectionFeb 11, 2026
Read twice and referred to the Committee on Environment and Public Works.
Blockchain Regulatory Certainty Act of 2026
119-S-3611Finance and Financial SectorJan 12, 2026
Read twice and referred to the Committee on Banking, Housing, and Urban Affairs.
CLEAR Act of 2025
119-S-3520Public Lands and Natural ResourcesDec 17, 2025
Read twice and referred to the Committee on Agriculture, Nutrition, and Forestry.
SMART Infrastructure Act of 2025
119-S-3278Transportation and Public WorksNov 20, 2025
Read twice and referred to the Committee on Commerce, Science, and Transportation.