These are tables of congressional delegations from Oklahoma to the United States House of Representatives and the United States Senate.
The current dean of the Oklahoma delegation is Representative Frank Lucas (R), having served in Congress since 1994.
| Current U.S. representatives from Oklahoma | |||||
|---|---|---|---|---|---|
| District | Member (Residence) [1] | Party | Incumbent since | CPVI (2022) [2] | District map |
| 1st |  Kevin Hern (Tulsa) | Republican | November 13, 2018 | R+14 |  |
| 2nd |  Josh Brecheen (Coalgate) | Republican | January 3, 2023 | R+29 |  |
| 3rd |  Frank Lucas (Cheyenne) | Republican | May 10, 1994 | R+24 |  |
| 4th |  Tom Cole (Moore) | Republican | January 3, 2003 | R+19 |  |
| 5th |  Stephanie Bice (Oklahoma City) | Republican | January 3, 2021 | R+12 |  |
| Congress | Delegate |
|---|---|
| 51st (1889–1891) | David Archibald Harvey (R) |
| 52nd (1891–1893) | |
| 53rd (1893–1895) | Dennis Thomas Flynn (R) |
| 54th (1895–1897) | |
| 55th (1897–1899) | James Yancy Callahan (Sv) |
| 56th (1899–1901) | Dennis Thomas Flynn (R) |
| 57th (1901–1903) | |
| 58th (1903–1905) | Bird S. McGuire (R) |
| 59th (1905–1907) |
After the 1910 census, Oklahoma gained three seats. From 1913 to 1915, these extra seats were represented at-large.
| Congress | District | ||||
|---|---|---|---|---|---|
| 1st | 2nd | 3rd | 4th | 5th | |
| 60th (1907–1909) | Bird S. McGuire (R) | Elmer L. Fulton (D) | James S. Davenport (D) | Charles D. Carter (D) | Scott Ferris (D) |
| 61st (1909–1911) | Dick T. Morgan (R) | Charles E. Creager (R) | |||
| 62nd (1911–1913) | James S. Davenport (D) | At-large seats | |||
| Seat A | Seat B | Seat C | |||
| 63rd (1913–1915) | William H. Murray (D) | Joseph B. Thompson (D) | Claude Weaver (D) | ||
After 1915, all the seats were represented by districts. After the 1930 census, Oklahoma had its most seats, nine. The ninth seat represented the state at-large. After the 1940 census, the at-large seat was eliminated.
| Current U.S. senators from Oklahoma | ||||
|---|---|---|---|---|
Oklahoma
| Class II senator | Class III senator | ||
 Markwayne Mullin (Junior senator) (Westville) |  James Lankford (Senior senator) (Oklahoma City) | |||
| Party | Republican | Republican | ||
| Incumbent since | January 3, 2023 | January 3, 2015 | ||
| Class II senator | Congress | Class III senator | ||
|---|---|---|---|---|
| Robert L. Owen (D) | 60th (1907–1909) | Thomas Gore (D) | ||
| 61st (1909–1911) | ||||
| 62nd (1911–1913) | ||||
| 63rd (1913–1915) | ||||
| 64th (1915–1917) | ||||
| 65th (1917–1919) | ||||
| 66th (1919–1921) | ||||
| 67th (1921–1923) | John W. Harreld (R) | |||
| 68th (1923–1925) | ||||
| William B. Pine (R) | 69th (1925–1927) | |||
| 70th (1927–1929) | Elmer Thomas (D) | |||
| 71st (1929–1931) | ||||
| Thomas Gore (D) | 72nd (1931–1933) | |||
| 73rd (1933–1935) | ||||
| 74th (1935–1937) | ||||
| Joshua B. Lee (D) | 75th (1937–1939) | |||
| 76th (1939–1941) | ||||
| 77th (1941–1943) | ||||
| Edward H. Moore (R) | 78th (1943–1945) | |||
| 79th (1945–1947) | ||||
| 80th (1947–1949) | ||||
| Robert S. Kerr (D) | 81st (1949–1951) | |||
| 82nd (1951–1953) | Mike Monroney (D) | |||
| 83rd (1953–1955) | ||||
| 84th (1955–1957) | ||||
| 85th (1957–1959) | ||||
| 86th (1959–1961) | ||||
| 87th (1961–1963) | ||||
| J. Howard Edmondson (D) | 88th (1963–1965) | |||
| Fred R. Harris (D) | ||||
| 89th (1965–1967) | ||||
| 90th (1967–1969) | ||||
| 91st (1969–1971) | Henry Bellmon (R) | |||
| 92nd (1971–1973) | ||||
| Dewey F. Bartlett (R) | 93rd (1973–1975) | |||
| 94th (1975–1977) | ||||
| 95th (1977–1979) | ||||
| David Boren (D) | 96th (1979–1981) | |||
| 97th (1981–1983) | Don Nickles (R) | |||
| 98th (1983–1985) | ||||
| 99th (1985–1987) | ||||
| 100th (1987–1989) | ||||
| 101st (1989–1991) | ||||
| 102nd (1991–1993) | ||||
| 103rd (1993–1995) | ||||
| Jim Inhofe (R) | ||||
| 104th (1995–1997) | ||||
| 105th (1997–1999) | ||||
| 106th (1999–2001) | ||||
| 107th (2001–2003) | ||||
| 108th (2003–2005) | ||||
| 109th (2005–2007) | Tom Coburn (R) | |||
| 110th (2007–2009) | ||||
| 111th (2009–2011) | ||||
| 112th (2011–2013) | ||||
| 113th (2013–2015) | ||||
| 114th (2015–2017) | James Lankford (R) | |||
| 115th (2017–2019) | ||||
| 116th (2019–2021) | ||||
| 117th (2021–2023) | ||||
| Markwayne Mullin (R) | 118th (2023–2025) | |||
| Democratic (D) |
| Republican (R) |
| Silver (Sv) |
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