The 2026 United States Senate election in Wyoming will be held on November 3, 2026, to elect a member of the United States Senate to represent the state of Wyoming. Republican congresswoman Harriet Hageman and Democratic former state representative James W. Byrd are the nominees for their respective parties. Republican incumbent Cynthia Lummis is not seeking a second term.

Primary elections were held on August 18. In the Republican primary, Hageman won the nomination with 64.9% of the vote against former Kirby mayor Sam Mead. Byrd won the Democratic nomination with 79.3% of the vote, facing minimal opposition.

Democrats have not won a Senate race in Wyoming since 1970.

Republican primary Candidates Nominee Harriet Hageman, U.S. representative from Wyoming's at-large congressional district (2023–present) and candidate for governor in 2018

Eliminated in primary Jill M. Edwards, massage therapist John A. Holtz, retired circuit court judge and candidate for U.S. Senate in 2018, 2020 and 2024 Sam Mead, former mayor of Kirby, nephew of former governor of Wyoming Matt Mead, and great-grandson of former U.S. senator Clifford Hansen Jimmy Skovgard, Wyoming Army National Guard veteran

Declined Cynthia Lummis, incumbent U.S. senator (2021–present) (endorsed Hageman) Mark Gordon, governor of Wyoming

Endorsements

Fundraising Italics indicate a declined candidate. Campaign finance reports as of June 30, 2026CandidateRaisedSpentCash on handHarriet Hageman (R)$2,023,907$1,943,028$963,842Source: Federal Election Commission

Debate + 2026 United States Senate election in Wyoming Republican primary debate Date Host Moderator Link Republican Republican Republican Republican RepublicanKey: Participant  Absent  Not invited  Invited Withdrawn Jill Edwards Harriet Hageman John Holtz Sam Mead Jimmy Skovgard1 Aug. 13, 2026 Central Wyoming CollegeCowboy State DailyWyoming PBSWyoming Public Media Steve Peck YouTube

Results

Democratic primary Candidates Nominee James Byrd, former state representative from the 44th district (2009–2019) and nominee for secretary of state in 2018

Eliminated in primary Billy Benavidez, landscaper

Fundraising Campaign finance reports as of June 30, 2026CandidateRaisedSpentCash on hand James Byrd (D)$19,575$18,376$1,689Source: Federal Election Commission

Debate + 2026 United States Senate election in Wyoming Democratic primary debate Date Host Moderator Link Democratic DemocraticKey: Participant  Absent  Not invited  Invited Withdrawn Billy Benavidez James Byrd1 Aug. 13, 2026 Central Wyoming CollegeCowboy State DailyWyoming PBSWyoming Public Media Steve Peck YouTube

Results

General election Predictions SourceRankingAs ofThe Cook Political ReportSeptember 23, 2026Decision Desk HQOctober 2, 2026The EconomistOctober 3, 2026FiftyPlusOneOctober 3, 2026Fox NewsSeptember 22, 2026Inside ElectionsOctober 1, 2026RealClearPoliticsSeptember 24, 2026Sabato's Crystal BallSeptember 22, 2026Silver BulletinOctober 3, 2026Split TicketOctober 2, 2026

Fundraising Campaign finance reports as of July 29, 2026CandidateRaisedSpentCash on handHarriet Hageman (R)$2,435,023$2,402,617$915,369James W. Byrd (D)$22,559$23,293$356Source: Federal Election Commission

Notes

References

External links Official campaign websites James Byrd (D) Harriet Hageman (R)