List of United States senators from Wyoming

Wyoming was admitted to the Union on July 10, 1890, and elects United States senators to class 1 and class 2. Its current U.S. senators are Republicans John Barrasso (serving since 2007) and Cynthia Lummis (serving since 2021). 21 people have served as a United States senator from Wyoming. Francis E. Warren was Wyoming's longest serving senator (served 1890–1893; 1895–1929).

List of senators

|- style="height:2em"

| colspan=3 | Vacant

| nowrap | Jul 10, 1890 – Nov 18, 1890

| After joining the Union, Wyoming did not elect its senators for four months.

| rowspan=3 | 1

| rowspan=2

| rowspan=5 | 1

| After joining the Union, Wyoming did not elect its senators for four months.

| nowrap | Jul 10, 1890 – Nov 15, 1890

| colspan=3 | Vacant

|- style="height:2em"

! rowspan=2 | 1

| rowspan=2 align=left | 100px Francis E. Warren

| rowspan=2 | Republican

| rowspan=2 nowrap | Nov 18, 1890 – Mar 3, 1893

| rowspan=2 | Elected in 1890.Lost re-election.

| rowspan=4 | Elected in 1890.Lost re-election.

| rowspan=4 nowrap | Nov 15, 1890 – Mar 3, 1895

| rowspan=4 | Republican

| rowspan=4 align=right | 100px Joseph M. Carey

! rowspan=4 | 1

|- style="height:2em"

| colspan=3 | Vacant

| nowrap | Mar 4, 1893 – Jan 23, 1895

| rowspan=4 | 2

| rowspan=2

|- style="height:2em"

! rowspan=12 | 2

| rowspan=12 align=left | 100px Clarence D. Clark

| rowspan=12 | Republican

| rowspan=12 nowrap | Jan 23, 1895 – Mar 3, 1917

| rowspan=3 | Elected to finish vacant term.

|- style="height:2em"

| rowspan=3 | 2

| rowspan=3 | Elected in 1895.

| rowspan=18 nowrap | Mar 4, 1895 – Nov 24, 1929

| rowspan=18 | Republican

| rowspan=18 align=right | 100px Francis E. Warren

! rowspan=18 | 2

|- style="height:2em"

| rowspan=3 | Re-elected in 1899.

| rowspan=3 | 3

|- style="height:2em"

| rowspan=3 | 3

| rowspan=3 | Re-elected in 1901.

|- style="height:2em"

| rowspan=3 | Re-elected in 1905.

| rowspan=3 | 4

|- style="height:2em"

| rowspan=3 | 4

| rowspan=3 | Re-elected in 1907.

|- style="height:2em"

| rowspan=3 | Re-elected in 1911.Lost re-election.

| rowspan=3 | 5

|- style="height:2em"

| rowspan=3 | 5

| rowspan=3 | Re-elected in 1913.

|- style="height:2em"

! rowspan=13 | 3

| rowspan=13 align=left | 100px John B. Kendrick

| rowspan=13 | Democratic

| rowspan=13 nowrap | Mar 4, 1917 – Nov 3, 1933

| rowspan=3 | Elected in 1916.

| rowspan=3 | 6

|- style="height:2em"

| rowspan=3 | 6

| rowspan=3 | Re-elected in 1918.

|- style="height:2em"

| rowspan=3 | Re-elected in 1922.

| rowspan=3 | 7

|- style="height:2em"

| rowspan=7 | 7

| rowspan=3 | Re-elected in 1924.Died.

|- style="height:2em"

| rowspan=7 | Re-elected in 1928.Died.

| rowspan=9 | 8

| rowspan=5

|- style="height:2em"

| nowrap | Nov 24, 1929 – Dec 5, 1929

| colspan=3 | Vacant

|- style="height:2em"

| Appointed to continue Warren's term.Retired when successor elected.

| nowrap | Dec 5, 1929 – Nov 20, 1930

| | Republican

| align=right | 100px Patrick J. Sullivan

! 3

|- style="height:2em"

| nowrap | Nov 20, 1930 – Dec 1, 1930

| colspan=3 | Vacant

|- style="height:2em"

| Elected to finish Warren's term.

| rowspan=6 nowrap | Dec 1, 1930 – Jan 3, 1937

| rowspan=6 | Republican

| rowspan=6 align=right | 100px Robert D. Carey

! rowspan=6 | 4

|- style="height:2em"

| rowspan=5 | 8

| rowspan=5 | Elected to full term in 1930.Lost re-election.

|- style="height:2em"

| rowspan=3

|- style="height:2em"

| colspan=3 | Vacant

| nowrap | Nov 3, 1933 – Dec 18, 1933

|- style="height:2em"

! rowspan=10 | 4

| rowspan=10 align=left | 100px Joseph C. O'Mahoney

| rowspan=10 | Democratic

| rowspan=10 nowrap | Dec 18, 1933 – Jan 3, 1953

| Appointed to continue Kendrick's term.Elected in 1934 to finish Kendrick's term.

|- style="height:2em"

| rowspan=3 | Elected in 1934.

| rowspan=3 | 9

|- style="height:2em"

| rowspan=3 | 9

| rowspan=3 | Elected in 1936.Lost re-election.

| rowspan=3 nowrap | Jan 3, 1937 – Jan 3, 1943

| rowspan=3 | Democratic

| rowspan=3 align=right | 100px Harry Schwartz

! rowspan=3 | 5

|- style="height:2em"

| rowspan=3 | Re-elected in 1940.

| rowspan=3 | 10

|- style="height:2em"

| rowspan=3 | 10

| rowspan=3 | Elected in 1942.Lost re-election.

| rowspan=3 nowrap | Jan 3, 1943 – Jan 3, 1949

| rowspan=3 | Republican

| rowspan=3 align=right | 100px Edward V. Robertson

! rowspan=3 | 6

|- style="height:2em"

| rowspan=3 | Re-elected in 1946.Lost re-election.

| rowspan=3 | 11

|- style="height:2em"

| rowspan=6 | 11

| rowspan=3 | Elected in 1948.Died.

| rowspan=3 nowrap | Jan 3, 1949 – Jun 19, 1954

| rowspan=3 | Democratic

| rowspan=3 align=right | 100px Lester C. Hunt

! rowspan=3 | 7

|- style="height:2em"

! rowspan=6 | 5

| rowspan=6 align=left | 100px Frank A. Barrett

| rowspan=6 | Republican

| rowspan=6 nowrap | Jan 3, 1953 – Jan 3, 1959

| rowspan=6 | Elected in 1952.Lost re-election.

| rowspan=6 | 12

| rowspan=4

|- style="height:2em"

| nowrap | Jun 19, 1954 – Jun 24, 1954

| colspan=3 | Vacant

|- style="height:2em"

| Appointed to continue Hunt's term.Retired when successor elected.

| nowrap | Jun 24, 1954 – Nov 28, 1954

| | Republican

| align=right | 100px Edward D. Crippa

! 8

|- style="height:2em"

| Elected in 1954 to finish Hunt's term.

| rowspan=4 nowrap | Nov 29, 1954 – Jan 3, 1961

| rowspan=4 | Democratic

| rowspan=4 align=right | 100px Joseph C. O'Mahoney

! rowspan=4 | 9

|- style="height:2em"

| rowspan=3 | 12

| rowspan=3 | Elected to full term in 1954.Retired.

|- style="height:2em"

! rowspan=10 | 6

| rowspan=10 align=left | 100px Gale W. McGee

| rowspan=10 | Democratic

| rowspan=10 nowrap | Jan 3, 1959 – Jan 3, 1977

| rowspan=4 | Elected in 1958.

| rowspan=4 | 13

|- style="height:2em"

| rowspan=2

| rowspan=4 | 13

| Appointed to begin the term of Keith Thomson (R), who was elected in 1960 but died before the Congress began.Lost election to finish Thomson's term.

| nowrap | Jan 3, 1961 – Nov 6, 1962

| | Democratic

| align=right | 100px Joe Hickey

! 10

|- style="height:2em"

| rowspan=3 | Elected to finish Thomson's term.Retired.

| rowspan=3 nowrap | Nov 7, 1962 – Jan 3, 1967

| rowspan=3 | Republican

| rowspan=3 align=right | 100px Milward Simpson

! rowspan=3 | 11

|- style="height:2em"

| rowspan=3 | Re-elected in 1964.

| rowspan=3 | 14

|- style="height:2em"

| rowspan=3 | 14

| rowspan=3 | Elected in 1966.

| rowspan=6 nowrap | Jan 3, 1967 – Dec 31, 1978

| rowspan=6 | Republican

| rowspan=6 align=right | 100px Clifford Hansen

! rowspan=6 | 12

|- style="height:2em"

| rowspan=3 | Re-elected in 1970.Lost re-election.

| rowspan=3 | 15

|- style="height:2em"

| rowspan=4 | 15

| rowspan=3 | Re-elected in 1972.Retired and resigned early to give successor preferential seniority.

|- style="height:2em"

! rowspan=10 | 7

| rowspan=10 align=left | 100px Malcolm Wallop

| rowspan=10 | Republican

| rowspan=10 nowrap | Jan 3, 1977 – Jan 3, 1995

| rowspan=4 | Elected in 1976.

| rowspan=4 | 16

| rowspan=2

|- style="height:2em"

| Appointed to finish Hansen's term, having already been elected to the next term.

| rowspan=10 nowrap | Jan 1, 1979 – Jan 3, 1997

| rowspan=10 | Republican

| rowspan=10 align=right | 100px Alan Simpson

! rowspan=10 | 13

|- style="height:2em"

| rowspan=3 | 16

| rowspan=3 | Elected in 1978.

|- style="height:2em"

| rowspan=3 | Re-elected in 1982.

| rowspan=3 | 17

|- style="height:2em"

| rowspan=3 | 17

| rowspan=3 | Re-elected in 1984.

|- style="height:2em"

| rowspan=3 | Re-elected in 1988.Retired.

| rowspan=3 | 18

|- style="height:2em"

| rowspan=3 | 18

| rowspan=3 | Re-elected in 1990.Retired.

|- style="height:2em"

! rowspan=7 | 8

| rowspan=7 align=left | 100px Craig Thomas

| rowspan=7 | Republican

| rowspan=7 nowrap | Jan 3, 1995 – Jun 4, 2007

| rowspan=3 | Elected in 1994.

| rowspan=3 | 19

|- style="height:2em"

| rowspan=3 | 19

| rowspan=3 | Elected in 1996.

| rowspan=14 nowrap | Jan 3, 1997 – Jan 3, 2021

| rowspan=14 | Republican

| rowspan=14 align=right | 100px Mike Enzi

! rowspan=14 | 14

|- style="height:2em"

| rowspan=3 | Re-elected in 2000.

| rowspan=3 | 20

|- style="height:2em"

| rowspan=5 | 20

| rowspan=5 | Re-elected in 2002.

|- style="height:2em"

| Re-elected in 2006.Died.

| rowspan=5 | 21

| rowspan=3

|- style="height:2em"

| colspan=3 | Vacant

| nowrap | Jun 4, 2007 – Jun 22, 2007

|- style="height:2em"

! rowspan=11 | 9

| rowspan=11 align=left | 100px John Barrasso

| rowspan=11 | Republican

| rowspan=11 nowrap | Jun 22, 2007 – present

| rowspan=3 | Appointed to continue Thomas's term.Elected in 2008 to finish Thomas's term.

|- style="height:2em"

| rowspan=3 | 21

| rowspan=3 | Re-elected in 2008.

|- style="height:2em"

| rowspan=3 | Re-elected in 2012.

| rowspan=3 | 22

|- style="height:2em"

| rowspan=3 | 22

| rowspan=3 | Re-elected in 2014.Retired.

|- style="height:2em"

| rowspan=3 | Re-elected in 2018.

| rowspan=3 | 23

|- style="height:2em"

| rowspan=3 | 23

| rowspan=3 | Elected in 2020.Retiring at the end of term.

| rowspan=3 nowrap | Jan 3, 2021 – present

| rowspan=3 | Republican

| rowspan=3 align=right | 100px Cynthia Lummis

! rowspan=3 | 15

|- style="height:2em"

| rowspan=2| Re-elected in 2024.

| rowspan=2|24

|- style="height:2em"

| 24

| colspan=5 | To be determined in the 2026 election.

References

External links

Wyoming Senators, Representatives on GovTrack.us
Senators of the 115th Congress, U.S. Senate

List of senators

See also

References

External links