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