# List of United States senators from Arkansas

Arkansas was admitted to the Union on June 15, 1836, and elects its senators to class 2 and class 3. Arkansas's Senate seats were declared vacant in July 1861, due to its secession from the Union. They were again filled from June 1868. Its current senators are Republicans John Boozman and Tom Cotton. John L. McClellan was Arkansas's longest-serving senator (1943–1977).

## List of senators

| Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2002, 2008, 2014, and 2020. The next election will be in 2026. | Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2002, 2008, 2014, and 2020. The next election will be in 2026. | Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2002, 2008, 2014, and 2020. The next election will be in 2026. | Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2002, 2008, 2014, and 2020. The next election will be in 2026. | Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2002, 2008, 2014, and 2020. The next election will be in 2026. | Class 2Class 2 U.S. senators belong to the electoral cycle that has recently been contested in 2002, 2008, 2014, and 2020. 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 2004, 2010, 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 2004, 2010, 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 2004, 2010, 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 2004, 2010, 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 2004, 2010, 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 2004, 2010, 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 | # |
| 1 | William S. Fulton | Jacksonian | Sep 18, 1836 – Aug 15, 1844 | Elected in 1836. | 1 | 24th | 1 | Elected in 1836. | Sep 18, 1836 – Mar 15, 1848 | Jacksonian | Ambrose Hundley Sevier | 1 |
| 1 | William S. Fulton | Democratic | Sep 18, 1836 – Aug 15, 1844 | Elected in 1836. | 1 | 25th | 2 | Re-elected in 1837. | Sep 18, 1836 – Mar 15, 1848 | Democratic | Ambrose Hundley Sevier | 1 |
| 1 | William S. Fulton | Democratic | Sep 18, 1836 – Aug 15, 1844 | Elected in 1836. | 1 | 26th | 2 | Re-elected in 1837. | Sep 18, 1836 – Mar 15, 1848 | Democratic | Ambrose Hundley Sevier | 1 |
| 1 | William S. Fulton | Democratic | Sep 18, 1836 – Aug 15, 1844 | Re-elected in 1840.Died. | 2 | 27th | 2 | Re-elected in 1837. | Sep 18, 1836 – Mar 15, 1848 | Democratic | Ambrose Hundley Sevier | 1 |
| 1 | William S. Fulton | Democratic | Sep 18, 1836 – Aug 15, 1844 | Re-elected in 1840.Died. | 2 | 28th | 3 | Re-elected in 1843.Resigned. | Sep 18, 1836 – Mar 15, 1848 | Democratic | Ambrose Hundley Sevier | 1 |
| Vacant | Vacant | Vacant | Aug 15, 1844 – Nov 8, 1844 | | 2 | 28th | 3 | Re-elected in 1843.Resigned. | Sep 18, 1836 – Mar 15, 1848 | Democratic | Ambrose Hundley Sevier | 1 |
| 2 | Chester Ashley | Democratic | Nov 8, 1844 – Apr 29, 1848 | Elected to finish Fulton's term. | 2 | 28th | 3 | Re-elected in 1843.Resigned. | Sep 18, 1836 – Mar 15, 1848 | Democratic | Ambrose Hundley Sevier | 1 |
| 2 | Chester Ashley | Democratic | Nov 8, 1844 – Apr 29, 1848 | Elected to finish Fulton's term. | 2 | 29th | 3 | Re-elected in 1843.Resigned. | Sep 18, 1836 – Mar 15, 1848 | Democratic | Ambrose Hundley Sevier | 1 |
| 2 | Chester Ashley | Democratic | Nov 8, 1844 – Apr 29, 1848 | Elected to a full term in 1846.Died. | 3 | 30th | 3 | Re-elected in 1843.Resigned. | Sep 18, 1836 – Mar 15, 1848 | Democratic | Ambrose Hundley Sevier | 1 |
| 2 | Chester Ashley | Democratic | Nov 8, 1844 – Apr 29, 1848 | Elected to a full term in 1846.Died. | 3 | 30th | 3 | | Mar 15, 1848 – Mar 30, 1848 | Vacant | Vacant | Vacant |
| 2 | Chester Ashley | Democratic | Nov 8, 1844 – Apr 29, 1848 | Elected to a full term in 1846.Died. | 3 | 30th | 3 | Appointed to finish Sevier's term. | Mar 30, 1848 – Apr 11, 1853 | Democratic | Solon Borland | 2 |
| Vacant | Vacant | Vacant | Apr 29, 1848 – May 12, 1848 | | 3 | 30th | 3 | Appointed to finish Sevier's term. | Mar 30, 1848 – Apr 11, 1853 | Democratic | Solon Borland | 2 |
| 3 | William K. Sebastian | Democratic | May 12, 1848 – Jul 11, 1861 | Appointed to continue Ashley's term.Elected in 1848 to finish Ashley's term. | 3 | 30th | 3 | Appointed to finish Sevier's term. | Mar 30, 1848 – Apr 11, 1853 | Democratic | Solon Borland | 2 |
| 3 | William K. Sebastian | Democratic | May 12, 1848 – Jul 11, 1861 | Appointed to continue Ashley's term.Elected in 1848 to finish Ashley's term. | 3 | 31st | 4 | Elected to full term in 1848.Resigned. | Mar 30, 1848 – Apr 11, 1853 | Democratic | Solon Borland | 2 |
| 3 | William K. Sebastian | Democratic | May 12, 1848 – Jul 11, 1861 | Appointed to continue Ashley's term.Elected in 1848 to finish Ashley's term. | 3 | 32nd | 4 | Elected to full term in 1848.Resigned. | Mar 30, 1848 – Apr 11, 1853 | Democratic | Solon Borland | 2 |
| 3 | William K. Sebastian | Democratic | May 12, 1848 – Jul 11, 1861 | Elected to full term in 1853. | 4 | 33rd | 4 | Elected to full term in 1848.Resigned. | Mar 30, 1848 – Apr 11, 1853 | Democratic | Solon Borland | 2 |
| 3 | William K. Sebastian | Democratic | May 12, 1848 – Jul 11, 1861 | Elected to full term in 1853. | 4 | 33rd | 4 | | Apr 11, 1853 – Jul 6, 1853 | Vacant | Vacant | Vacant |
| 3 | William K. Sebastian | Democratic | May 12, 1848 – Jul 11, 1861 | Elected to full term in 1853. | 4 | 33rd | 4 | Appointed to continue Borland's term.Elected in 1854 to finish Borland's term. | Jul 6, 1853 – Mar 3, 1861 | Democratic | Robert Ward Johnson | 3 |
| 3 | William K. Sebastian | Democratic | May 12, 1848 – Jul 11, 1861 | Elected to full term in 1853. | 4 | 34th | 5 | Re-elected in 1855.Retired. | Jul 6, 1853 – Mar 3, 1861 | Democratic | Robert Ward Johnson | 3 |
| 3 | William K. Sebastian | Democratic | May 12, 1848 – Jul 11, 1861 | Elected to full term in 1853. | 4 | 35th | 5 | Re-elected in 1855.Retired. | Jul 6, 1853 – Mar 3, 1861 | Democratic | Robert Ward Johnson | 3 |
| 3 | William K. Sebastian | Democratic | May 12, 1848 – Jul 11, 1861 | Re-elected in 1859.Expelled. (Expulsion was reversed by the Senate in 1877). | 5 | 36th | 5 | Re-elected in 1855.Retired. | Jul 6, 1853 – Mar 3, 1861 | Democratic | Robert Ward Johnson | 3 |
| 3 | William K. Sebastian | Democratic | May 12, 1848 – Jul 11, 1861 | Re-elected in 1859.Expelled. (Expulsion was reversed by the Senate in 1877). | 5 | 37th | 6 | Elected in 1860 or 1861.Expelled for supporting the Confederacy. | Mar 4, 1861 – Jul 11, 1861 | Democratic | Charles B. Mitchel | 4 |
| Vacant | Vacant | Vacant | Jul 11, 1861 – Jun 22, 1868 | Civil War and Reconstruction | 5 | 37th | 6 | Civil War and Reconstruction | Jul 11, 1861 – Jun 23, 1868 | Vacant | Vacant | Vacant |
| Vacant | Vacant | Vacant | Jul 11, 1861 – Jun 22, 1868 | Civil War and Reconstruction | 5 | 38th | 6 | Civil War and Reconstruction | Jul 11, 1861 – Jun 23, 1868 | Vacant | Vacant | Vacant |
| Vacant | Vacant | Vacant | Jul 11, 1861 – Jun 22, 1868 | Civil War and Reconstruction | 6 | 39th | 6 | Civil War and Reconstruction | Jul 11, 1861 – Jun 23, 1868 | Vacant | Vacant | Vacant |
| Vacant | Vacant | Vacant | Jul 11, 1861 – Jun 22, 1868 | Civil War and Reconstruction | 6 | 40th | 7 | Civil War and Reconstruction | Jul 11, 1861 – Jun 23, 1868 | Vacant | Vacant | Vacant |
| 4 | Alexander McDonald | Republican | Jun 22, 1868 – Mar 3, 1871 | Elected upon readmission.Lost re-election. | 6 | 40th | 7 | Civil War and Reconstruction | Jul 11, 1861 – Jun 23, 1868 | Vacant | Vacant | Vacant |
| 4 | Alexander McDonald | Republican | Jun 22, 1868 – Mar 3, 1871 | Elected upon readmission.Lost re-election. | 6 | 40th | 7 | Elected upon readmission.Unknown if retired or lost re-election. | Jun 23, 1868 – Mar 3, 1873 | Republican | Benjamin F. Rice | 5 |
| 4 | Alexander McDonald | Republican | Jun 22, 1868 – Mar 3, 1871 | Elected upon readmission.Lost re-election. | 6 | 41st | 7 | Elected upon readmission.Unknown if retired or lost re-election. | Jun 23, 1868 – Mar 3, 1873 | Republican | Benjamin F. Rice | 5 |
| 5 | Powell Clayton | Republican | Mar 4, 1871 – Mar 3, 1877 | Elected in 1870.Unknown if retired or lost re-election. | 7 | 42nd | 7 | Elected upon readmission.Unknown if retired or lost re-election. | Jun 23, 1868 – Mar 3, 1873 | Republican | Benjamin F. Rice | 5 |
| 5 | Powell Clayton | Republican | Mar 4, 1871 – Mar 3, 1877 | Elected in 1870.Unknown if retired or lost re-election. | 7 | 43rd | 8 | Elected in 1872 or 1873.Retired. | Mar 4, 1873 – Mar 3, 1879 | Republican | Stephen W. Dorsey | 6 |
| 5 | Powell Clayton | Republican | Mar 4, 1871 – Mar 3, 1877 | Elected in 1870.Unknown if retired or lost re-election. | 7 | 44th | 8 | Elected in 1872 or 1873.Retired. | Mar 4, 1873 – Mar 3, 1879 | Republican | Stephen W. Dorsey | 6 |
| 6 | Augustus H. Garland | Democratic | Mar 4, 1877 – Mar 6, 1885 | Elected in 1876. | 8 | 45th | 8 | Elected in 1872 or 1873.Retired. | Mar 4, 1873 – Mar 3, 1879 | Republican | Stephen W. Dorsey | 6 |
| 6 | Augustus H. Garland | Democratic | Mar 4, 1877 – Mar 6, 1885 | Elected in 1876. | 8 | 46th | 9 | Elected in 1878.Retired. | Mar 4, 1879 – Mar 3, 1885 | Democratic | James D. Walker | 7 |
| 6 | Augustus H. Garland | Democratic | Mar 4, 1877 – Mar 6, 1885 | Elected in 1876. | 8 | 47th | 9 | Elected in 1878.Retired. | Mar 4, 1879 – Mar 3, 1885 | Democratic | James D. Walker | 7 |
| 6 | Augustus H. Garland | Democratic | Mar 4, 1877 – Mar 6, 1885 | Re-elected in 1883.Resigned to become U.S. Attorney General. | 9 | 48th | 9 | Elected in 1878.Retired. | Mar 4, 1879 – Mar 3, 1885 | Democratic | James D. Walker | 7 |
| 6 | Augustus H. Garland | Democratic | Mar 4, 1877 – Mar 6, 1885 | Re-elected in 1883.Resigned to become U.S. Attorney General. | 9 | 49th | 10 | Elected in 1885. | Mar 4, 1885 – Mar 3, 1903 | Democratic | James K. Jones | 8 |
| Vacant | Vacant | Vacant | Mar 6, 1885 – Mar 20, 1885 | | 9 | 49th | 10 | Elected in 1885. | Mar 4, 1885 – Mar 3, 1903 | Democratic | James K. Jones | 8 |
| 7 | James H. Berry | Democratic | Mar 20, 1885 – Mar 3, 1907 | Elected to finish Garland's term. | 9 | 49th | 10 | Elected in 1885. | Mar 4, 1885 – Mar 3, 1903 | Democratic | James K. Jones | 8 |
| 7 | James H. Berry | Democratic | Mar 20, 1885 – Mar 3, 1907 | Elected to finish Garland's term. | 9 | 50th | 10 | Elected in 1885. | Mar 4, 1885 – Mar 3, 1903 | Democratic | James K. Jones | 8 |
| 7 | James H. Berry | Democratic | Mar 20, 1885 – Mar 3, 1907 | Re-elected in 1889. | 10 | 51st | 10 | Elected in 1885. | Mar 4, 1885 – Mar 3, 1903 | Democratic | James K. Jones | 8 |
| 7 | James H. Berry | Democratic | Mar 20, 1885 – Mar 3, 1907 | Re-elected in 1889. | 10 | 52nd | 11 | Re-elected in 1891. | Mar 4, 1885 – Mar 3, 1903 | Democratic | James K. Jones | 8 |
| 7 | James H. Berry | Democratic | Mar 20, 1885 – Mar 3, 1907 | Re-elected in 1889. | 10 | 53rd | 11 | Re-elected in 1891. | Mar 4, 1885 – Mar 3, 1903 | Democratic | James K. Jones | 8 |
| 7 | James H. Berry | Democratic | Mar 20, 1885 – Mar 3, 1907 | Re-elected in 1895. | 11 | 54th | 11 | Re-elected in 1891. | Mar 4, 1885 – Mar 3, 1903 | Democratic | James K. Jones | 8 |
| 7 | James H. Berry | Democratic | Mar 20, 1885 – Mar 3, 1907 | Re-elected in 1895. | 11 | 55th | 12 | Re-elected in 1897.Lost re-election. | Mar 4, 1885 – Mar 3, 1903 | Democratic | James K. Jones | 8 |
| 7 | James H. Berry | Democratic | Mar 20, 1885 – Mar 3, 1907 | Re-elected in 1895. | 11 | 56th | 12 | Re-elected in 1897.Lost re-election. | Mar 4, 1885 – Mar 3, 1903 | Democratic | James K. Jones | 8 |
| 7 | James H. Berry | Democratic | Mar 20, 1885 – Mar 3, 1907 | Re-elected in 1901.Lost re-election. | 12 | 57th | 12 | Re-elected in 1897.Lost re-election. | Mar 4, 1885 – Mar 3, 1903 | Democratic | James K. Jones | 8 |
| 7 | James H. Berry | Democratic | Mar 20, 1885 – Mar 3, 1907 | Re-elected in 1901.Lost re-election. | 12 | 58th | 13 | Elected in 1903. | Mar 4, 1903 – Oct 1, 1916 | Democratic | James P. Clarke | 9 |
| 7 | James H. Berry | Democratic | Mar 20, 1885 – Mar 3, 1907 | Re-elected in 1901.Lost re-election. | 12 | 59th | 13 | Elected in 1903. | Mar 4, 1903 – Oct 1, 1916 | Democratic | James P. Clarke | 9 |
| 8 | Jeff Davis | Democratic | Mar 4, 1907 – Jan 3, 1913 | Elected in 1907.Died. | 13 | 60th | 13 | Elected in 1903. | Mar 4, 1903 – Oct 1, 1916 | Democratic | James P. Clarke | 9 |
| 8 | Jeff Davis | Democratic | Mar 4, 1907 – Jan 3, 1913 | Elected in 1907.Died. | 13 | 61st | 14 | Re-elected in 1909. | Mar 4, 1903 – Oct 1, 1916 | Democratic | James P. Clarke | 9 |
| 8 | Jeff Davis | Democratic | Mar 4, 1907 – Jan 3, 1913 | Elected in 1907.Died. | 13 | 62nd | 14 | Re-elected in 1909. | Mar 4, 1903 – Oct 1, 1916 | Democratic | James P. Clarke | 9 |
| Vacant | Vacant | Vacant | Jan 3, 1913 – Jan 6, 1913 | | 13 | 62nd | 14 | Re-elected in 1909. | Mar 4, 1903 – Oct 1, 1916 | Democratic | James P. Clarke | 9 |
| 9 | John N. Heiskell | Democratic | Jan 6, 1913 – Jan 29, 1913 | Appointed to continue Davis's term.Successor qualified. | 13 | 62nd | 14 | Re-elected in 1909. | Mar 4, 1903 – Oct 1, 1916 | Democratic | James P. Clarke | 9 |
| 10 | William M. Kavanaugh | Democratic | Jan 29, 1913 – Mar 3, 1913 | Elected to finish Davis's term.Retired. | 13 | 62nd | 14 | Re-elected in 1909. | Mar 4, 1903 – Oct 1, 1916 | Democratic | James P. Clarke | 9 |
| 11 | Joe T. Robinson | Democratic | Mar 4, 1913 – Jul 14, 1937 | Elected in 1913. | 14 | 63rd | 14 | Re-elected in 1909. | Mar 4, 1903 – Oct 1, 1916 | Democratic | James P. Clarke | 9 |
| 11 | Joe T. Robinson | Democratic | Mar 4, 1913 – Jul 14, 1937 | Elected in 1913. | 14 | 64th | 15 | Re-elected in 1914.Died. | Mar 4, 1903 – Oct 1, 1916 | Democratic | James P. Clarke | 9 |
| 11 | Joe T. Robinson | Democratic | Mar 4, 1913 – Jul 14, 1937 | Elected in 1913. | 14 | 64th | 15 | | Oct 1, 1916 – Nov 8, 1916 | Vacant | Vacant | Vacant |
| 11 | Joe T. Robinson | Democratic | Mar 4, 1913 – Jul 14, 1937 | Elected in 1913. | 14 | 64th | 15 | Elected to finish Clarke's term.Lost renomination. | Nov 8, 1916 – Mar 3, 1921 | Democratic | William F. Kirby | 10 |
| 11 | Joe T. Robinson | Democratic | Mar 4, 1913 – Jul 14, 1937 | Elected in 1913. | 14 | 65th | 15 | Elected to finish Clarke's term.Lost renomination. | Nov 8, 1916 – Mar 3, 1921 | Democratic | William F. Kirby | 10 |
| 11 | Joe T. Robinson | Democratic | Mar 4, 1913 – Jul 14, 1937 | Re-elected in 1918. | 15 | 66th | 15 | Elected to finish Clarke's term.Lost renomination. | Nov 8, 1916 – Mar 3, 1921 | Democratic | William F. Kirby | 10 |
| 11 | Joe T. Robinson | Democratic | Mar 4, 1913 – Jul 14, 1937 | Re-elected in 1918. | 15 | 67th | 16 | Elected in 1920. | Mar 4, 1921 – Nov 6, 1931 | Democratic | Thaddeus H. Caraway | 11 |
| 11 | Joe T. Robinson | Democratic | Mar 4, 1913 – Jul 14, 1937 | Re-elected in 1918. | 15 | 68th | 16 | Elected in 1920. | Mar 4, 1921 – Nov 6, 1931 | Democratic | Thaddeus H. Caraway | 11 |
| 11 | Joe T. Robinson | Democratic | Mar 4, 1913 – Jul 14, 1937 | Re-elected in 1924. | 16 | 69th | 16 | Elected in 1920. | Mar 4, 1921 – Nov 6, 1931 | Democratic | Thaddeus H. Caraway | 11 |
| 11 | Joe T. Robinson | Democratic | Mar 4, 1913 – Jul 14, 1937 | Re-elected in 1924. | 16 | 70th | 17 | Re-elected in 1926.Died. | Mar 4, 1921 – Nov 6, 1931 | Democratic | Thaddeus H. Caraway | 11 |
| 11 | Joe T. Robinson | Democratic | Mar 4, 1913 – Jul 14, 1937 | Re-elected in 1924. | 16 | 71st | 17 | Re-elected in 1926.Died. | Mar 4, 1921 – Nov 6, 1931 | Democratic | Thaddeus H. Caraway | 11 |
| 11 | Joe T. Robinson | Democratic | Mar 4, 1913 – Jul 14, 1937 | Re-elected in 1930. | 17 | 72nd | 17 | Re-elected in 1926.Died. | Mar 4, 1921 – Nov 6, 1931 | Democratic | Thaddeus H. Caraway | 11 |
| 11 | Joe T. Robinson | Democratic | Mar 4, 1913 – Jul 14, 1937 | Re-elected in 1930. | 17 | 72nd | 17 | | Nov 6, 1931 – Nov 13, 1931 | Vacant | Vacant | Vacant |
| 11 | Joe T. Robinson | Democratic | Mar 4, 1913 – Jul 14, 1937 | Re-elected in 1930. | 17 | 72nd | 17 | Appointed to finish her husband's term.Elected in 1932 to finish her husband's term. | Nov 13, 1931 – Jan 3, 1945 | Democratic | Hattie Caraway | 12 |
| 11 | Joe T. Robinson | Democratic | Mar 4, 1913 – Jul 14, 1937 | Re-elected in 1930. | 17 | 73rd | 18 | Re-elected in 1932. | Nov 13, 1931 – Jan 3, 1945 | Democratic | Hattie Caraway | 12 |
| 11 | Joe T. Robinson | Democratic | Mar 4, 1913 – Jul 14, 1937 | Re-elected in 1930. | 17 | 74th | 18 | Re-elected in 1932. | Nov 13, 1931 – Jan 3, 1945 | Democratic | Hattie Caraway | 12 |
| 11 | Joe T. Robinson | Democratic | Mar 4, 1913 – Jul 14, 1937 | Re-elected in 1936.Died. | 18 | 75th | 18 | Re-elected in 1932. | Nov 13, 1931 – Jan 3, 1945 | Democratic | Hattie Caraway | 12 |
| Vacant | Vacant | Vacant | Jul 14, 1937 – Nov 15, 1937 | | 18 | 75th | 18 | Re-elected in 1932. | Nov 13, 1931 – Jan 3, 1945 | Democratic | Hattie Caraway | 12 |
| 12 | John E. Miller | Democratic | Nov 15, 1937 – Mar 31, 1941 | Elected to finish Robinson's term.Resigned to become U.S. District Judge. | 18 | 75th | 18 | Re-elected in 1932. | Nov 13, 1931 – Jan 3, 1945 | Democratic | Hattie Caraway | 12 |
| 12 | John E. Miller | Democratic | Nov 15, 1937 – Mar 31, 1941 | Elected to finish Robinson's term.Resigned to become U.S. District Judge. | 18 | 76th | 19 | Re-elected in 1938.Lost renomination. | Nov 13, 1931 – Jan 3, 1945 | Democratic | Hattie Caraway | 12 |
| 12 | John E. Miller | Democratic | Nov 15, 1937 – Mar 31, 1941 | Elected to finish Robinson's term.Resigned to become U.S. District Judge. | 18 | 77th | 19 | Re-elected in 1938.Lost renomination. | Nov 13, 1931 – Jan 3, 1945 | Democratic | Hattie Caraway | 12 |
| Vacant | Vacant | Vacant | Mar 31, 1941 – Apr 1, 1941 | | 18 | 77th | 19 | Re-elected in 1938.Lost renomination. | Nov 13, 1931 – Jan 3, 1945 | Democratic | Hattie Caraway | 12 |
| 13 | Lloyd Spencer | Democratic | Apr 1, 1941 – Jan 3, 1943 | Appointed to finish Robinson's term.Retired. | 18 | 77th | 19 | Re-elected in 1938.Lost renomination. | Nov 13, 1931 – Jan 3, 1945 | Democratic | Hattie Caraway | 12 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Elected in 1942. | 19 | 78th | 19 | Re-elected in 1938.Lost renomination. | Nov 13, 1931 – Jan 3, 1945 | Democratic | Hattie Caraway | 12 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Elected in 1942. | 19 | 79th | 20 | Elected in 1944. | Jan 3, 1945 – Dec 31, 1974 | Democratic | J. William Fulbright | 13 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Elected in 1942. | 19 | 80th | 20 | Elected in 1944. | Jan 3, 1945 – Dec 31, 1974 | Democratic | J. William Fulbright | 13 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Re-elected in 1948. | 20 | 81st | 20 | Elected in 1944. | Jan 3, 1945 – Dec 31, 1974 | Democratic | J. William Fulbright | 13 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Re-elected in 1948. | 20 | 82nd | 21 | Re-elected in 1950. | Jan 3, 1945 – Dec 31, 1974 | Democratic | J. William Fulbright | 13 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Re-elected in 1948. | 20 | 83rd | 21 | Re-elected in 1950. | Jan 3, 1945 – Dec 31, 1974 | Democratic | J. William Fulbright | 13 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Re-elected in 1954. | 21 | 84th | 21 | Re-elected in 1950. | Jan 3, 1945 – Dec 31, 1974 | Democratic | J. William Fulbright | 13 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Re-elected in 1954. | 21 | 85th | 22 | Re-elected in 1956. | Jan 3, 1945 – Dec 31, 1974 | Democratic | J. William Fulbright | 13 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Re-elected in 1954. | 21 | 86th | 22 | Re-elected in 1956. | Jan 3, 1945 – Dec 31, 1974 | Democratic | J. William Fulbright | 13 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Re-elected in 1960. | 22 | 87th | 22 | Re-elected in 1956. | Jan 3, 1945 – Dec 31, 1974 | Democratic | J. William Fulbright | 13 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Re-elected in 1960. | 22 | 88th | 23 | Re-elected in 1962. | Jan 3, 1945 – Dec 31, 1974 | Democratic | J. William Fulbright | 13 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Re-elected in 1960. | 22 | 89th | 23 | Re-elected in 1962. | Jan 3, 1945 – Dec 31, 1974 | Democratic | J. William Fulbright | 13 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Re-elected in 1966. | 23 | 90th | 23 | Re-elected in 1962. | Jan 3, 1945 – Dec 31, 1974 | Democratic | J. William Fulbright | 13 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Re-elected in 1966. | 23 | 91st | 24 | Re-elected in 1968.Lost re-nomination, then resigned. | Jan 3, 1945 – Dec 31, 1974 | Democratic | J. William Fulbright | 13 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Re-elected in 1966. | 23 | 92nd | 24 | Re-elected in 1968.Lost re-nomination, then resigned. | Jan 3, 1945 – Dec 31, 1974 | Democratic | J. William Fulbright | 13 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Re-elected in 1972.Died. | 24 | 93rd | 24 | Re-elected in 1968.Lost re-nomination, then resigned. | Jan 3, 1945 – Dec 31, 1974 | Democratic | J. William Fulbright | 13 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Re-elected in 1972.Died. | 24 | 93rd | 24 | | Dec 31, 1974 – Jan 3, 1975 | Vacant | Vacant | Vacant |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Re-elected in 1972.Died. | 24 | 94th | 25 | Elected in 1974. | Jan 3, 1975 – Jan 3, 1999 | Democratic | Dale Bumpers | 14 |
| 14 | John L. McClellan | Democratic | Jan 3, 1943 – Nov 28, 1977 | Re-elected in 1972.Died. | 24 | 95th | 25 | Elected in 1974. | Jan 3, 1975 – Jan 3, 1999 | Democratic | Dale Bumpers | 14 |
| Vacant | Vacant | Vacant | Nov 28, 1977 – Dec 10, 1977 | | 24 | 95th | 25 | Elected in 1974. | Jan 3, 1975 – Jan 3, 1999 | Democratic | Dale Bumpers | 14 |
| 15 | Kaneaster Hodges Jr. | Democratic | Dec 10, 1977 – Jan 3, 1979 | Appointed to finish McClellan's term.Retired. | 24 | 95th | 25 | Elected in 1974. | Jan 3, 1975 – Jan 3, 1999 | Democratic | Dale Bumpers | 14 |
| 16 | David Pryor | Democratic | Jan 3, 1979 – Jan 3, 1997 | Elected in 1978. | 25 | 96th | 25 | Elected in 1974. | Jan 3, 1975 – Jan 3, 1999 | Democratic | Dale Bumpers | 14 |
| 16 | David Pryor | Democratic | Jan 3, 1979 – Jan 3, 1997 | Elected in 1978. | 25 | 97th | 26 | Re-elected in 1980. | Jan 3, 1975 – Jan 3, 1999 | Democratic | Dale Bumpers | 14 |
| 16 | David Pryor | Democratic | Jan 3, 1979 – Jan 3, 1997 | Elected in 1978. | 25 | 98th | 26 | Re-elected in 1980. | Jan 3, 1975 – Jan 3, 1999 | Democratic | Dale Bumpers | 14 |
| 16 | David Pryor | Democratic | Jan 3, 1979 – Jan 3, 1997 | Re-elected in 1984. | 26 | 99th | 26 | Re-elected in 1980. | Jan 3, 1975 – Jan 3, 1999 | Democratic | Dale Bumpers | 14 |
| 16 | David Pryor | Democratic | Jan 3, 1979 – Jan 3, 1997 | Re-elected in 1984. | 26 | 100th | 27 | Re-elected in 1986. | Jan 3, 1975 – Jan 3, 1999 | Democratic | Dale Bumpers | 14 |
| 16 | David Pryor | Democratic | Jan 3, 1979 – Jan 3, 1997 | Re-elected in 1984. | 26 | 101st | 27 | Re-elected in 1986. | Jan 3, 1975 – Jan 3, 1999 | Democratic | Dale Bumpers | 14 |
| 16 | David Pryor | Democratic | Jan 3, 1979 – Jan 3, 1997 | Re-elected in 1990.Retired. | 27 | 102nd | 27 | Re-elected in 1986. | Jan 3, 1975 – Jan 3, 1999 | Democratic | Dale Bumpers | 14 |
| 16 | David Pryor | Democratic | Jan 3, 1979 – Jan 3, 1997 | Re-elected in 1990.Retired. | 27 | 103rd | 28 | Re-elected in 1992.Retired. | Jan 3, 1975 – Jan 3, 1999 | Democratic | Dale Bumpers | 14 |
| 16 | David Pryor | Democratic | Jan 3, 1979 – Jan 3, 1997 | Re-elected in 1990.Retired. | 27 | 104th | 28 | Re-elected in 1992.Retired. | Jan 3, 1975 – Jan 3, 1999 | Democratic | Dale Bumpers | 14 |
| 17 | Tim Hutchinson | Republican | Jan 3, 1997 – Jan 3, 2003 | Elected in 1996.Lost re-election. | 28 | 105th | 28 | Re-elected in 1992.Retired. | Jan 3, 1975 – Jan 3, 1999 | Democratic | Dale Bumpers | 14 |
| 17 | Tim Hutchinson | Republican | Jan 3, 1997 – Jan 3, 2003 | Elected in 1996.Lost re-election. | 28 | 106th | 29 | Elected in 1998. | Jan 3, 1999 – Jan 3, 2011 | Democratic | Blanche Lincoln | 15 |
| 17 | Tim Hutchinson | Republican | Jan 3, 1997 – Jan 3, 2003 | Elected in 1996.Lost re-election. | 28 | 107th | 29 | Elected in 1998. | Jan 3, 1999 – Jan 3, 2011 | Democratic | Blanche Lincoln | 15 |
| 18 | Mark Pryor | Democratic | Jan 3, 2003 – Jan 3, 2015 | Elected in 2002. | 29 | 108th | 29 | Elected in 1998. | Jan 3, 1999 – Jan 3, 2011 | Democratic | Blanche Lincoln | 15 |
| 18 | Mark Pryor | Democratic | Jan 3, 2003 – Jan 3, 2015 | Elected in 2002. | 29 | 109th | 30 | Re-elected in 2004.Lost re-election. | Jan 3, 1999 – Jan 3, 2011 | Democratic | Blanche Lincoln | 15 |
| 18 | Mark Pryor | Democratic | Jan 3, 2003 – Jan 3, 2015 | Elected in 2002. | 29 | 110th | 30 | Re-elected in 2004.Lost re-election. | Jan 3, 1999 – Jan 3, 2011 | Democratic | Blanche Lincoln | 15 |
| 18 | Mark Pryor | Democratic | Jan 3, 2003 – Jan 3, 2015 | Re-elected in 2008.Lost re-election. | 30 | 111th | 30 | Re-elected in 2004.Lost re-election. | Jan 3, 1999 – Jan 3, 2011 | Democratic | Blanche Lincoln | 15 |
| 18 | Mark Pryor | Democratic | Jan 3, 2003 – Jan 3, 2015 | Re-elected in 2008.Lost re-election. | 30 | 112th | 31 | Elected in 2010. | Jan 3, 2011 – present | Republican | John Boozman | 16 |
| 18 | Mark Pryor | Democratic | Jan 3, 2003 – Jan 3, 2015 | Re-elected in 2008.Lost re-election. | 30 | 113th | 31 | Elected in 2010. | Jan 3, 2011 – present | Republican | John Boozman | 16 |
| 19 | Tom Cotton | Republican | Jan 3, 2015 – present | Elected in 2014. | 31 | 114th | 31 | Elected in 2010. | Jan 3, 2011 – present | Republican | John Boozman | 16 |
| 19 | Tom Cotton | Republican | Jan 3, 2015 – present | Elected in 2014. | 31 | 115th | 32 | Re-elected in 2016. | Jan 3, 2011 – present | Republican | John Boozman | 16 |
| 19 | Tom Cotton | Republican | Jan 3, 2015 – present | Elected in 2014. | 31 | 116th | 32 | Re-elected in 2016. | Jan 3, 2011 – present | Republican | John Boozman | 16 |
| 19 | Tom Cotton | Republican | Jan 3, 2015 – present | Re-elected in 2020. | 32 | 117th | 32 | Re-elected in 2016. | Jan 3, 2011 – present | Republican | John Boozman | 16 |
| 19 | Tom Cotton | Republican | Jan 3, 2015 – present | Re-elected in 2020. | 32 | 118th | 33 | Re-elected in 2022. | Jan 3, 2011 – present | Republican | John Boozman | 16 |
| 19 | Tom Cotton | Republican | Jan 3, 2015 – present | Re-elected in 2020. | 32 | 119th | 33 | Re-elected in 2022. | Jan 3, 2011 – present | Republican | John Boozman | 16 |
| 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. | 33 | 120th | 33 | Re-elected in 2022. | Jan 3, 2011 – present | Republican | John Boozman | 16 |
| 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. | 33 | 121st | 34 | 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 |