Full Breakdown
Kevin Hern Emerges as Front-Runner for Oklahoma Senate Seat
3/21/2026, 2:02:20 PM
Key Endorsements and Political Landscape
Rep. Kevin Hern (R-Okla.) has garnered significant support in his campaign for the U.S. Senate seat being vacated by Sen. Markwayne Mullin (R-Okla.), who has been nominated by President Donald Trump to serve as Secretary of Homeland Security. Senate Majority Leader John Thune (R-S.D.) and National Republican Senatorial Committee Chair Tim Scott (R-S.C.) publicly endorsed Hern, emphasizing his credentials as a "proven conservative leader" and a "fighter for Oklahomans." Thune stated, "He will be a great asset in the Senate and has my full support and endorsement," while Scott highlighted Hern's commitment to the Republican agenda and his ability to create jobs.
Hern, who has represented Oklahoma's 1st Congressional District since 2018, is positioned as the front-runner in the Republican primary, which is set for June 16. His campaign is bolstered by endorsements from prominent figures, including Trump, who referred to Hern as a "true friend of MAGA" and praised his support from "the fiercest MAGA Warriors in Oklahoma."
Background on the Senate Vacancy
The vacancy arose after President Trump selected Mullin to replace Kristi Noem as Secretary of Homeland Security. Following Mullin's nomination, Oklahoma Governor Kevin Stitt (R) is tasked with appointing an interim senator to fill the position until the special election in November. However, under state law, the appointed individual will not be eligible to run for the full term. This has led to speculation about potential candidates for the interim role, including Stitt himself and oil businessman Harold Hamm, an ally of both Stitt and Trump.
Criticism and Opposition
While Hern has received strong backing from national Republican leaders, there are voices of dissent within the party. Rep. Stephanie Bice (R-Okla.), who previously considered a Senate run, ultimately decided against entering the race, citing encouragement from constituents but opting to support Mullin instead. This decision reflects a broader sentiment among some Oklahoma Republicans who may be wary of consolidating support behind a single candidate too early in the process.
Official Statements and Responses
In their endorsements, both Thune and Scott reiterated Hern's alignment with Republican values and his potential impact in the Senate. Thune remarked on Hern's history of championing the GOP agenda, while Scott emphasized Hern's leadership qualities. The endorsements are seen as a strategic move to unify the party behind Hern in a state that is solidly Republican, as indicated by the Cook Political Report's assessment of the race.
What's Next
As the primary election approaches, candidates must file their nominations between April 1-3. Hern's early entry into the race and the backing from key Republican figures position him favorably as he seeks to secure a full Senate term in the upcoming November election. The political dynamics in Oklahoma will continue to evolve as the primary date nears, with potential challengers weighing their options in light of Hern's growing support.
