U.S. Senate, Wyoming

Open seat

Maggie’s List has endorsed Rep. Harriet Hageman for Wyoming’s Senate seat. A fourth-generation Wyomingite, Rep. Hageman is known for standing up against federal overreach, protecting private property rights and reining in the regulatory state. Maggie’s List previously and successfully endorsed Rep. Hageman for Wyoming’s lone congressional seat.

As Wyoming’s at-large representative, second-term Rep. Harriet Hageman has been an ally of the U.S.-Israel relationship. Hageman backed supplemental security assistance, and she voted for bills that sanction foreign ports and refineries that process Iranian petroleum and impose sanctions on entities tied to the Islamic Regime’s ballistic missile program.

The attorney who toppled Liz Cheney, Harriet Hageman fights to unleash American energy dominance, secure the border, and return power from Washington bureaucrats back to we the people.

Throughout her tenure in Congress, she has been a champion for families and small businesses across Wyoming.

Incumbent Senator Cynthia Lummis (CFGF Lifetime Rating 85%) announced she would not seek re-election. Harriet Hageman (CFGF Lifetime Rating 97%) ran to succeed her and won the Republican primary on August 18, 2026, securing the Republican nomination for U.S. Senate. She will face Democrat James Byrd in the general election. Wyoming remains a solidly Republican state; in 2024, President Trump defeated Kamala Harris 72.3% to 26.1%.