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Oklahoma U.S. senators
Oklahoma is represented in the U.S. Senate by Alan Armstrong (R) and James Lankford (R). In the 2026 election, Kevin Hern won the Armstrong seat.
| Senator | Party | Seat | Term ends | Next election |
|---|---|---|---|---|
| Alan Armstrong | Republican | Class II | Jan 3, 2027 | 2026 |
| James Lankford | Republican | Class III | Jan 3, 2029 | 2028 |
Oklahoma 2026 Senate election
Kevin Hern won (Kevin Hern 57.2% · N'Kiyla Jasmine Thomas 39.3% · Curtis Stinnett 1.3%). Kevin Hern is the senator-elect and takes office January 3, 2027, succeeding Alan Armstrong.
PoliGov's final forecast gave N'Kiyla Jasmine Thomas a <1% chance and Kevin Hern a >99% chance. Full Oklahoma forecast →
In the 2024 presidential election, Oklahoma voted Republican by 34.3 points. 2024 results by state →