# List of United States senators from Oklahoma

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.

## List of senators

| Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2008, 2014, 2020, and 2022 (special election). The next election will be in 2026. | Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2008, 2014, 2020, and 2022 (special election). The next election will be in 2026. | Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2008, 2014, 2020, and 2022 (special election). The next election will be in 2026. | Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2008, 2014, 2020, and 2022 (special election). The next election will be in 2026. | Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2008, 2014, 2020, and 2022 (special election). The next election will be in 2026. | Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2008, 2014, 2020, and 2022 (special election). The next election will be in 2026. | C | Class 3Class 3 U.S. senators belong to the electoral cycle that has recently been contested in 2010, 2014 (special election), 2016, and 2022. The next election will be in 2028. | Class 3Class 3 U.S. senators belong to the electoral cycle that has recently been contested in 2010, 2014 (special election), 2016, and 2022. The next election will be in 2028. | Class 3Class 3 U.S. senators belong to the electoral cycle that has recently been contested in 2010, 2014 (special election), 2016, and 2022. The next election will be in 2028. | Class 3Class 3 U.S. senators belong to the electoral cycle that has recently been contested in 2010, 2014 (special election), 2016, and 2022. The next election will be in 2028. | Class 3Class 3 U.S. senators belong to the electoral cycle that has recently been contested in 2010, 2014 (special election), 2016, and 2022. The next election will be in 2028. | Class 3Class 3 U.S. senators belong to the electoral cycle that has recently been contested in 2010, 2014 (special election), 2016, and 2022. The next election will be in 2028. |
| # | Senator | Party | Dates in office | Electoral history | T | C | T | Electoral history | Dates in office | Party | Senator | # |
| Vacant | Vacant | Vacant | Nov 16, 1907 – Dec 11, 1907 | Oklahoma did not elect its senators until one month after statehood. | 1 | 60th | 1 | Oklahoma did not elect its senators until one month after statehood. | Nov 16, 1907 – Dec 11, 1907 | Vacant | Vacant | Vacant |
| 1 | Robert L. Owen | Democratic | Dec 11, 1907 – Mar 4, 1925 | Elected in 1907. | 1 | 60th | 1 | Elected in 1907. | Dec 11, 1907 – Mar 4, 1921 | Democratic | Thomas Gore | 1 |
| 1 | Robert L. Owen | Democratic | Dec 11, 1907 – Mar 4, 1925 | Elected in 1907. | 1 | 61st | 2 | Re-elected in 1909. | Dec 11, 1907 – Mar 4, 1921 | Democratic | Thomas Gore | 1 |
| 1 | Robert L. Owen | Democratic | Dec 11, 1907 – Mar 4, 1925 | Elected in 1907. | 1 | 62nd | 2 | Re-elected in 1909. | Dec 11, 1907 – Mar 4, 1921 | Democratic | Thomas Gore | 1 |
| 1 | Robert L. Owen | Democratic | Dec 11, 1907 – Mar 4, 1925 | Re-elected in 1913. | 2 | 63rd | 2 | Re-elected in 1909. | Dec 11, 1907 – Mar 4, 1921 | Democratic | Thomas Gore | 1 |
| 1 | Robert L. Owen | Democratic | Dec 11, 1907 – Mar 4, 1925 | Re-elected in 1913. | 2 | 64th | 3 | Re-elected in 1914.Lost renomination. | Dec 11, 1907 – Mar 4, 1921 | Democratic | Thomas Gore | 1 |
| 1 | Robert L. Owen | Democratic | Dec 11, 1907 – Mar 4, 1925 | Re-elected in 1913. | 2 | 65th | 3 | Re-elected in 1914.Lost renomination. | Dec 11, 1907 – Mar 4, 1921 | Democratic | Thomas Gore | 1 |
| 1 | Robert L. Owen | Democratic | Dec 11, 1907 – Mar 4, 1925 | Re-elected in 1918.Retired. | 3 | 66th | 3 | Re-elected in 1914.Lost renomination. | Dec 11, 1907 – Mar 4, 1921 | Democratic | Thomas Gore | 1 |
| 1 | Robert L. Owen | Democratic | Dec 11, 1907 – Mar 4, 1925 | Re-elected in 1918.Retired. | 3 | 67th | 4 | Elected in 1920.Lost re-election. | Mar 4, 1921 – Mar 4, 1927 | Republican | John W. Harreld | 2 |
| 1 | Robert L. Owen | Democratic | Dec 11, 1907 – Mar 4, 1925 | Re-elected in 1918.Retired. | 3 | 68th | 4 | Elected in 1920.Lost re-election. | Mar 4, 1921 – Mar 4, 1927 | Republican | John W. Harreld | 2 |
| 2 | William B. Pine | Republican | Mar 4, 1925 – Mar 4, 1931 | Elected in 1924.Lost re-election. | 4 | 69th | 4 | Elected in 1920.Lost re-election. | Mar 4, 1921 – Mar 4, 1927 | Republican | John W. Harreld | 2 |
| 2 | William B. Pine | Republican | Mar 4, 1925 – Mar 4, 1931 | Elected in 1924.Lost re-election. | 4 | 70th | 5 | Elected in 1926. | Mar 4, 1927 – Jan 3, 1951 | Democratic | Elmer Thomas | 3 |
| 2 | William B. Pine | Republican | Mar 4, 1925 – Mar 4, 1931 | Elected in 1924.Lost re-election. | 4 | 71st | 5 | Elected in 1926. | Mar 4, 1927 – Jan 3, 1951 | Democratic | Elmer Thomas | 3 |
| 3 | Thomas Gore | Democratic | Mar 4, 1931 – Jan 3, 1937 | Elected in 1930.Lost renomination. | 5 | 72nd | 5 | Elected in 1926. | Mar 4, 1927 – Jan 3, 1951 | Democratic | Elmer Thomas | 3 |
| 3 | Thomas Gore | Democratic | Mar 4, 1931 – Jan 3, 1937 | Elected in 1930.Lost renomination. | 5 | 73rd | 6 | Re-elected in 1932. | Mar 4, 1927 – Jan 3, 1951 | Democratic | Elmer Thomas | 3 |
| 3 | Thomas Gore | Democratic | Mar 4, 1931 – Jan 3, 1937 | Elected in 1930.Lost renomination. | 5 | 74th | 6 | Re-elected in 1932. | Mar 4, 1927 – Jan 3, 1951 | Democratic | Elmer Thomas | 3 |
| 4 | Joshua B. Lee | Democratic | Jan 3, 1937 – Jan 3, 1943 | Elected in 1936.Lost re-election. | 6 | 75th | 6 | Re-elected in 1932. | Mar 4, 1927 – Jan 3, 1951 | Democratic | Elmer Thomas | 3 |
| 4 | Joshua B. Lee | Democratic | Jan 3, 1937 – Jan 3, 1943 | Elected in 1936.Lost re-election. | 6 | 76th | 7 | Re-elected in 1938. | Mar 4, 1927 – Jan 3, 1951 | Democratic | Elmer Thomas | 3 |
| 4 | Joshua B. Lee | Democratic | Jan 3, 1937 – Jan 3, 1943 | Elected in 1936.Lost re-election. | 6 | 77th | 7 | Re-elected in 1938. | Mar 4, 1927 – Jan 3, 1951 | Democratic | Elmer Thomas | 3 |
| 5 | Edward H. Moore | Republican | Jan 3, 1943 – Jan 3, 1949 | Elected in 1942.Retired. | 7 | 78th | 7 | Re-elected in 1938. | Mar 4, 1927 – Jan 3, 1951 | Democratic | Elmer Thomas | 3 |
| 5 | Edward H. Moore | Republican | Jan 3, 1943 – Jan 3, 1949 | Elected in 1942.Retired. | 7 | 79th | 8 | Re-elected in 1944.Lost renomination. | Mar 4, 1927 – Jan 3, 1951 | Democratic | Elmer Thomas | 3 |
| 5 | Edward H. Moore | Republican | Jan 3, 1943 – Jan 3, 1949 | Elected in 1942.Retired. | 7 | 80th | 8 | Re-elected in 1944.Lost renomination. | Mar 4, 1927 – Jan 3, 1951 | Democratic | Elmer Thomas | 3 |
| 6 | Robert S. Kerr | Democratic | Jan 3, 1949 – Jan 1, 1963 | Elected in 1948. | 8 | 81st | 8 | Re-elected in 1944.Lost renomination. | Mar 4, 1927 – Jan 3, 1951 | Democratic | Elmer Thomas | 3 |
| 6 | Robert S. Kerr | Democratic | Jan 3, 1949 – Jan 1, 1963 | Elected in 1948. | 8 | 82nd | 9 | Elected in 1950. | Jan 3, 1951 – Jan 3, 1969 | Democratic | Mike Monroney | 4 |
| 6 | Robert S. Kerr | Democratic | Jan 3, 1949 – Jan 1, 1963 | Elected in 1948. | 8 | 83rd | 9 | Elected in 1950. | Jan 3, 1951 – Jan 3, 1969 | Democratic | Mike Monroney | 4 |
| 6 | Robert S. Kerr | Democratic | Jan 3, 1949 – Jan 1, 1963 | Re-elected in 1954. | 9 | 84th | 9 | Elected in 1950. | Jan 3, 1951 – Jan 3, 1969 | Democratic | Mike Monroney | 4 |
| 6 | Robert S. Kerr | Democratic | Jan 3, 1949 – Jan 1, 1963 | Re-elected in 1954. | 9 | 85th | 10 | Re-elected in 1956. | Jan 3, 1951 – Jan 3, 1969 | Democratic | Mike Monroney | 4 |
| 6 | Robert S. Kerr | Democratic | Jan 3, 1949 – Jan 1, 1963 | Re-elected in 1954. | 9 | 86th | 10 | Re-elected in 1956. | Jan 3, 1951 – Jan 3, 1969 | Democratic | Mike Monroney | 4 |
| 6 | Robert S. Kerr | Democratic | Jan 3, 1949 – Jan 1, 1963 | Re-elected in 1960.Died. | 10 | 87th | 10 | Re-elected in 1956. | Jan 3, 1951 – Jan 3, 1969 | Democratic | Mike Monroney | 4 |
| Vacant | Vacant | Vacant | Jan 1, 1963 – Jan 7, 1963 | | 10 | 87th | 10 | Re-elected in 1956. | Jan 3, 1951 – Jan 3, 1969 | Democratic | Mike Monroney | 4 |
| Vacant | Vacant | Vacant | Jan 1, 1963 – Jan 7, 1963 | | 10 | 88th | 11 | Re-elected in 1962.Lost re-election. | Jan 3, 1951 – Jan 3, 1969 | Democratic | Mike Monroney | 4 |
| 7 | J. Howard Edmondson | Democratic | Jan 7, 1963 – Nov 3, 1964 | Appointed to continue Kerr's termLost nomination to finish Kerr's term. | 10 | 88th | 11 | Re-elected in 1962.Lost re-election. | Jan 3, 1951 – Jan 3, 1969 | Democratic | Mike Monroney | 4 |
| 8 | Fred R. Harris | Democratic | Nov 3, 1964 – Jan 3, 1973 | Elected to finish Kerr's term. | 10 | 88th | 11 | Re-elected in 1962.Lost re-election. | Jan 3, 1951 – Jan 3, 1969 | Democratic | Mike Monroney | 4 |
| 8 | Fred R. Harris | Democratic | Nov 3, 1964 – Jan 3, 1973 | Elected to finish Kerr's term. | 10 | 89th | 11 | Re-elected in 1962.Lost re-election. | Jan 3, 1951 – Jan 3, 1969 | Democratic | Mike Monroney | 4 |
| 8 | Fred R. Harris | Democratic | Nov 3, 1964 – Jan 3, 1973 | Re-elected in 1966.Retired. | 11 | 90th | 11 | Re-elected in 1962.Lost re-election. | Jan 3, 1951 – Jan 3, 1969 | Democratic | Mike Monroney | 4 |
| 8 | Fred R. Harris | Democratic | Nov 3, 1964 – Jan 3, 1973 | Re-elected in 1966.Retired. | 11 | 91st | 12 | Elected in 1968. | Jan 3, 1969 – Jan 3, 1981 | Republican | Henry Bellmon | 5 |
| 8 | Fred R. Harris | Democratic | Nov 3, 1964 – Jan 3, 1973 | Re-elected in 1966.Retired. | 11 | 92nd | 12 | Elected in 1968. | Jan 3, 1969 – Jan 3, 1981 | Republican | Henry Bellmon | 5 |
| 9 | Dewey F. Bartlett | Republican | Jan 3, 1973 – Jan 3, 1979 | Elected in 1972.Retired. | 12 | 93rd | 12 | Elected in 1968. | Jan 3, 1969 – Jan 3, 1981 | Republican | Henry Bellmon | 5 |
| 9 | Dewey F. Bartlett | Republican | Jan 3, 1973 – Jan 3, 1979 | Elected in 1972.Retired. | 12 | 94th | 13 | Re-elected in 1974.Retired. | Jan 3, 1969 – Jan 3, 1981 | Republican | Henry Bellmon | 5 |
| 9 | Dewey F. Bartlett | Republican | Jan 3, 1973 – Jan 3, 1979 | Elected in 1972.Retired. | 12 | 95th | 13 | Re-elected in 1974.Retired. | Jan 3, 1969 – Jan 3, 1981 | Republican | Henry Bellmon | 5 |
| 10 | David Boren | Democratic | Jan 3, 1979 – Nov 15, 1994 | Elected in 1978. | 13 | 96th | 13 | Re-elected in 1974.Retired. | Jan 3, 1969 – Jan 3, 1981 | Republican | Henry Bellmon | 5 |
| 10 | David Boren | Democratic | Jan 3, 1979 – Nov 15, 1994 | Elected in 1978. | 13 | 97th | 14 | Elected in 1980. | Jan 3, 1981 – Jan 3, 2005 | Republican | Don Nickles | 6 |
| 10 | David Boren | Democratic | Jan 3, 1979 – Nov 15, 1994 | Elected in 1978. | 13 | 98th | 14 | Elected in 1980. | Jan 3, 1981 – Jan 3, 2005 | Republican | Don Nickles | 6 |
| 10 | David Boren | Democratic | Jan 3, 1979 – Nov 15, 1994 | Re-elected in 1984. | 14 | 99th | 14 | Elected in 1980. | Jan 3, 1981 – Jan 3, 2005 | Republican | Don Nickles | 6 |
| 10 | David Boren | Democratic | Jan 3, 1979 – Nov 15, 1994 | Re-elected in 1984. | 14 | 100th | 15 | Re-elected in 1986. | Jan 3, 1981 – Jan 3, 2005 | Republican | Don Nickles | 6 |
| 10 | David Boren | Democratic | Jan 3, 1979 – Nov 15, 1994 | Re-elected in 1984. | 14 | 101st | 15 | Re-elected in 1986. | Jan 3, 1981 – Jan 3, 2005 | Republican | Don Nickles | 6 |
| 10 | David Boren | Democratic | Jan 3, 1979 – Nov 15, 1994 | Re-elected in 1990.Resigned to become President of the University of Oklahoma. | 15 | 102nd | 15 | Re-elected in 1986. | Jan 3, 1981 – Jan 3, 2005 | Republican | Don Nickles | 6 |
| 10 | David Boren | Democratic | Jan 3, 1979 – Nov 15, 1994 | Re-elected in 1990.Resigned to become President of the University of Oklahoma. | 15 | 103rd | 16 | Re-elected in 1992. | Jan 3, 1981 – Jan 3, 2005 | Republican | Don Nickles | 6 |
| Vacant | Vacant | Vacant | Nov 15, 1994 – Nov 17, 1994 | | 15 | 103rd | 16 | Re-elected in 1992. | Jan 3, 1981 – Jan 3, 2005 | Republican | Don Nickles | 6 |
| 11 | Jim Inhofe | Republican | Nov 17, 1994 – Jan 3, 2023 | Elected in 1994 to finish Boren's term. | 15 | 103rd | 16 | Re-elected in 1992. | Jan 3, 1981 – Jan 3, 2005 | Republican | Don Nickles | 6 |
| 11 | Jim Inhofe | Republican | Nov 17, 1994 – Jan 3, 2023 | Elected in 1994 to finish Boren's term. | 15 | 104th | 16 | Re-elected in 1992. | Jan 3, 1981 – Jan 3, 2005 | Republican | Don Nickles | 6 |
| 11 | Jim Inhofe | Republican | Nov 17, 1994 – Jan 3, 2023 | Re-elected in 1996. | 16 | 105th | 16 | Re-elected in 1992. | Jan 3, 1981 – Jan 3, 2005 | Republican | Don Nickles | 6 |
| 11 | Jim Inhofe | Republican | Nov 17, 1994 – Jan 3, 2023 | Re-elected in 1996. | 16 | 106th | 17 | Re-elected in 1998.Retired. | Jan 3, 1981 – Jan 3, 2005 | Republican | Don Nickles | 6 |
| 11 | Jim Inhofe | Republican | Nov 17, 1994 – Jan 3, 2023 | Re-elected in 1996. | 16 | 107th | 17 | Re-elected in 1998.Retired. | Jan 3, 1981 – Jan 3, 2005 | Republican | Don Nickles | 6 |
| 11 | Jim Inhofe | Republican | Nov 17, 1994 – Jan 3, 2023 | Re-elected in 2002. | 17 | 108th | 17 | Re-elected in 1998.Retired. | Jan 3, 1981 – Jan 3, 2005 | Republican | Don Nickles | 6 |
| 11 | Jim Inhofe | Republican | Nov 17, 1994 – Jan 3, 2023 | Re-elected in 2002. | 17 | 109th | 18 | Elected in 2004. | Jan 3, 2005 – Jan 3, 2015 | Republican | Tom Coburn | 7 |
| 11 | Jim Inhofe | Republican | Nov 17, 1994 – Jan 3, 2023 | Re-elected in 2002. | 17 | 110th | 18 | Elected in 2004. | Jan 3, 2005 – Jan 3, 2015 | Republican | Tom Coburn | 7 |
| 11 | Jim Inhofe | Republican | Nov 17, 1994 – Jan 3, 2023 | Re-elected in 2008. | 18 | 111th | 18 | Elected in 2004. | Jan 3, 2005 – Jan 3, 2015 | Republican | Tom Coburn | 7 |
| 11 | Jim Inhofe | Republican | Nov 17, 1994 – Jan 3, 2023 | Re-elected in 2008. | 18 | 112th | 19 | Re-elected in 2010.Resigned. | Jan 3, 2005 – Jan 3, 2015 | Republican | Tom Coburn | 7 |
| 11 | Jim Inhofe | Republican | Nov 17, 1994 – Jan 3, 2023 | Re-elected in 2008. | 18 | 113th | 19 | Re-elected in 2010.Resigned. | Jan 3, 2005 – Jan 3, 2015 | Republican | Tom Coburn | 7 |
| 11 | Jim Inhofe | Republican | Nov 17, 1994 – Jan 3, 2023 | Re-elected in 2014. | 19 | 114th | 19 | Elected in 2014 to finish Coburn's term. | Jan 3, 2015 – present | Republican | James Lankford | 8 |
| 11 | Jim Inhofe | Republican | Nov 17, 1994 – Jan 3, 2023 | Re-elected in 2014. | 19 | 115th | 20 | Re-elected in 2016. | Jan 3, 2015 – present | Republican | James Lankford | 8 |
| 11 | Jim Inhofe | Republican | Nov 17, 1994 – Jan 3, 2023 | Re-elected in 2014. | 19 | 116th | 20 | Re-elected in 2016. | Jan 3, 2015 – present | Republican | James Lankford | 8 |
| 11 | Jim Inhofe | Republican | Nov 17, 1994 – Jan 3, 2023 | Re-elected in 2020.Resigned. | 20 | 117th | 20 | Re-elected in 2016. | Jan 3, 2015 – present | Republican | James Lankford | 8 |
| 12 | Markwayne Mullin | Republican | Jan 3, 2023 – present | Elected in 2022 to finish Inhofe's term. | 20 | 118th | 21 | Re-elected in 2022. | Jan 3, 2015 – present | Republican | James Lankford | 8 |
| 12 | Markwayne Mullin | Republican | Jan 3, 2023 – present | Elected in 2022 to finish Inhofe's term. | 20 | 119th | 21 | Re-elected in 2022. | Jan 3, 2015 – present | Republican | James Lankford | 8 |
| To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | 21 | 120th | 21 | Re-elected in 2022. | Jan 3, 2015 – present | Republican | James Lankford | 8 |
| To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | To be determined in the 2026 election. | 21 | 121st | 22 | To be determined in the 2028 election. | To be determined in the 2028 election. | To be determined in the 2028 election. | To be determined in the 2028 election. | To be determined in the 2028 election. |
| # | Senator | Party | Years in office | Electoral history | T | C | T | Electoral history | Years in office | Party | Senator | # |
| Class 2 | Class 2 | Class 2 | Class 2 | Class 2 | Class 2 | C | Class 3 | Class 3 | Class 3 | Class 3 | Class 3 | Class 3 |