2026 United States Senate election in Oklahoma
November 3, 2026
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| Elections in Oklahoma |
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The 2026 United States Senate election in Oklahoma will be held on November 3, 2026, to elect a member of the U.S. Senate to represent the state of Oklahoma. The seat was previously held by Jim Inhofe, who won his last term in 2020. Incumbent senator Markwayne Mullin, who was first elected in the 2022 special election to finish the remaining years of Inhofe's term, has announced that he will seek his first full term in office. Primary elections will be held on June 16, 2026.
In March 2026, President Donald Trump announced that Mullin will be his next nominee for secretary of homeland security, making his re-election plans unclear. U.S. representative Kevin Hern has announced a run for the seat.