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Oklahoma Congressional Delegation

Last updated · 4 sources

Its senators, James Lankford and Alan S. Armstrong, are both Republicans.

Oklahoma has 5 House seats, held by 5 Republicans.

Armstrong's Senate seat is on the 2026 ballot.

Of the 5 House members, 4 have filed to run for re-election in 2026 and 1 is running for another office.

Senators

  • Official portrait of James Lankford, U.S. Senator for Oklahoma
    James Lankford

    U.S. Senator for Oklahoma · Republican

    This week: voted in 12 of 12 roll calls; 2 committee meetings

    Next election 2028

    Schedule →
  • Official portrait of Alan S. Armstrong, U.S. Senator for Oklahoma
    Alan S. Armstrong

    U.S. Senator for Oklahoma · Republican

    This week: voted in 12 of 12 roll calls; 1 committee meeting

    2026: Not seeking re-election

    Schedule →

House delegation (5 seats)

Oklahoma's U.S. Representatives
DistrictRepresentativeParty2026This week
OK-1Kevin HernRepublicanRunning for the U.S. Senate in Oklahoma
OK-2Josh BrecheenRepublicanRunning for re-election
OK-3Frank LucasRepublicanRunning for re-election
OK-4Tom ColeRepublicanRunning for re-election
OK-5Stephanie BiceRepublicanRunning for re-election

Committee leadership

Oklahoma members lead 2 full committees: James Lankford chairs the Senate Ethics Committee; Tom Cole chairs the House Appropriations Committee.

Changes in the delegation, 119th Congress

Since the 119th Congress began, 1 member from Oklahoma has left office: Markwayne Mullin (Senate, until Mar 23, 2026; seat now held by Alan S. Armstrong).

Sources