Candidate for U.S. Senate, Louisiana, 2026

Mark Spencer

R Republican PartyChallengerElection Nov 3, 2026

Not on the November ballot

Add to watchlist See the race FEC filings

Fundraising

Raised: $5K
Spent: $5K
Cash on hand: $55
Reported through: Jun 30, 2026

The race

Full race

Seat currently held by Bill Cassidy (Republican).

RBill CassidyIncumbent$13.6M
RJohn C. Fleming Jr.Challenger$12.3M
RJulia LetlowChallenger$6.2M
DJamie DavisChallenger$2.0M
RKathy W SeidenChallenger$1.2M
RJulie Cathryn EmersonChallenger$689K
DGary CrockettChallenger$350K
DNicholas S. AlbaresChallenger$143K

Background

We haven’t compiled a background record for Mark Spencer yet. Oathstar is adding sourced résumés for candidates: experience, education and public record, each linked to where it came from.