2026 United States Senate election in Oklahoma

The 2026 United States Senate election in Oklahoma is scheduled for November 3, 2026. Incumbent Senator Markwayne Mullin has not announced whether he will seek reelection.

Background

The 2026 United States Senate election in Oklahoma is scheduled for November 3, 2026. Markwayne Mullin is the incumbent.^[1] After former President Donald Trump won the 2024 United States presidential election, Mullin was rumored as a contender for U.S. Secretary of Interior.^[2] Mullin's resignation would have affected the open 2026 Oklahoma gubernatorial election and if Mullin resigned Governor Kevin Stitt would have appointed a replacement who must sign an oath promising not to run for reelection in 2026.^[3] Mullin was not appointed Secretary of Interior.^[4]

Republican Primary

Candidates

In late 2024, incumbent Markwayne Mullin was rumored as a potential appointee in a second Trump administration, triggering speculation on which Republicans could run for hypothetical open senate seat in 2026.^[3]

Potential

Stephanie Bice, U.S. representative for Oklahoma's 5th congressional district (2021–present)^[3]
Gentner Drummond, attorney general of Oklahoma (2023–present)^[3]
Kevin Hern, U.S. representative for Oklahoma's 1st congressional district (2018–present)^[3]
Markwayne Mullin, incumbent U.S. Senator for Oklahoma (2022–present)^[3]
Matt Pinnell, Lieutenant Governor of Oklahoma (2019–present)^[3]
Kevin Stitt, Governor of Oklahoma (2019–present)^[3]

Democratic Primary

Candidates

Potential

Kendra Horn, former U.S. representative for Oklahoma's 5th congressional district (2019-2021) and Democratic nominee for U.S. Senate in 2022^[3]

References

^ "United States Senate election in Oklahoma, 2026". ballotpedia.org. Ballotpedia. Retrieved November 12, 2024.
^ Liese, Sarah; Hallum, Katie (November 12, 2024). "Oklahoma Sen. Markwayne Mullin reportedly in running for Trump cabinet post". KGOU. Retrieved November 12, 2024.
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Savage, Tres; Brinkman, Bennett (12 November 2024). "Domino scenarios: Sen. Markwayne Mullin Cabinet rumor spurs speculation". NonDoc. Retrieved November 12, 2024.
^ Wahpekeche, Dacoda (November 15, 2024). "Sen. Markwayne Mullin talks possibly being in Donald Trump's Cabinet". KOCO. Retrieved November 16, 2024.

[Ballotpedia-1] "United States Senate election in Oklahoma, 2026". ballotpedia.org. Ballotpedia. Retrieved November 12, 2024.

[2] Liese, Sarah; Hallum, Katie (November 12, 2024). "Oklahoma Sen. Markwayne Mullin reportedly in running for Trump cabinet post". KGOU. Retrieved November 12, 2024.

[Mullin_speculation-3] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ Savage, Tres; Brinkman, Bennett (12 November 2024). "Domino scenarios: Sen. Markwayne Mullin Cabinet rumor spurs speculation". NonDoc. Retrieved November 12, 2024.

[4] Wahpekeche, Dacoda (November 15, 2024). "Sen. Markwayne Mullin talks possibly being in Donald Trump's Cabinet". KOCO. Retrieved November 16, 2024.

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