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).

Current delegation

John Boozman (R)

Tom Cotton (R)

List of senators

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