List of United States senators from Oklahoma

Current delegation

James Lankford (R)

Markwayne Mullin (R)

Oklahoma was admitted to the Union on November 16, 1907, and elects United States senators to class 2 and class 3. The state's current U.S. senators are Republicans James Lankford (serving since 2015) and Markwayne Mullin (serving since 2023). Oklahoma's longest-serving senator was Jim Inhofe, who served from 1994 to 2023.