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Photo of Markwayne Mullin, Republican candidate for U.S. Senate Oklahoma
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2026 midterms · FEC S2OK00186

Markwayne Mullin

Quick answer. Markwayne Mullin is listed as a Republican candidate for U.S. Senate, Oklahoma in the FEC 2026 candidate master, ID S2OK00186. This is a filing record, not a statement that the person is on the certified ballot.

U.S. Senate, Oklahoma

RepublicanIncumbent

Bio not yet available.

FEC pageThis raceWhere to vote

Confirm this list with the official sample ballot. Poliwog does not decide who is on the ballot. Retrieved October 31, 2026 from the FEC 2026 candidate master. Receipt totals stay on the FEC page.