👤 About William Cassidy
William Cassidy is a Republican incumbent for U.S. Senate in Louisiana’s 2026 federal election cycle. The campaign committee, BILL CASSIDY FOR US SENATE, is registered in BATON ROUGE, LA, with ARONSON, LAURIE LIPSEY listed as treasurer. The campaign has not yet reported substantial fundraising in current FEC filings. 20 opponents have also filed in the 2026 race.
Bio auto-generated from candidate filings.
🔗 Where to learn more
💰 Campaign finance
No FEC filings reported yet for the 2026 cycle.
🏁 The race for U.S. Senate
WC
William Cassidy (incumbent) VIEWING
Republican
21 candidates have filed with the FEC for this race.
Detailed Campaign Finance
More detail available because this candidate has substantial FEC filings.
NONPARTISAN · SOURCED FROM CONGRESS.GOV, OPENFEC, SENATE & HOUSE CLERKS · UPDATED REGULARLY
2026 candidate profile
William Cassidy
Republican · Incumbent
Running for: Louisiana U.S. Senate
FEC pending
Total raised
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Cash on hand
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FEC status
Biography
William Cassidy is a Republican incumbent for U.S. Senate in Louisiana’s 2026 federal election cycle. The campaign committee, BILL CASSIDY FOR US SENATE, is registered in BATON ROUGE, LA, with ARONSON, LAURIE LIPSEY listed as treasurer. The campaign has not yet reported substantial fundraising in current FEC filings. 20 opponents have also filed in the 2026 race.
Compiled from public FEC filings and race data. A detailed profile is being expanded.
Congressional record
William Cassidy currently holds this seat.
Committee assignments
Education and the American Family · Ex OfficioEmployment and Workplace Safety · Ex OfficioEnergyFiscal Responsibility and Economic GrowthHealth CareNational ParksPrimary Health and Retirement Security · Ex OfficioSenate Committee on Energy and Natural Resources
FEC filing
FEC IDS4LA00107
OfficeLouisiana U.S. Senate
PartyRepublican
See the full race
View every candidate, all fundraising totals, and the primary results for the Louisiana U.S. Senate race.
🗳 2026 Election
U.S. Senate — Louisiana
Primary: May 16, 2026 (3 months ago)
· General: November 3, 2026
Senate primary/runoff only — House primaries were suspended after Louisiana v. Callais and rescheduled as an all-party primary on the Nov. 3 general election date, with a Dec. 12 runoff if needed.