Utah was admitted to the Union on January 4, 1896. It elects senators to Class 1 and Class 3. In early January 2019, its senators were Republicans Mike Lee and Mitt Romney.

Class 1 Class 1 U.S. senators belong to the electoral cycle that has recently been contested in 1994, 2000, 2006, 2012, and 2018. The next election will be in 2024.						C o n g r e s s	Class 3 Class 3 U.S. senators belong to the electoral cycle that has recently been contested in 1998, 2004, 2010, and 2016. The next election will be in 2022.
#	Senator	Party	Years in office	Electoral history	T e r m		T e r m	Electoral history	Years in office	Party	Senator	#
Vacant			January 4, 1896 – January 22, 1896	Utah elected its senators 18 days after statehood.	1	54th Congress	1	Utah elected its senators 18 days after statehood.	January 4, 1896 – January 22, 1896	Vacant
1	Frank J. Cannon	Republican	January 22, 1896 – March 3, 1899	Elected in 1896.				Elected in 1896. Retired.	January 22, 1896 – March 3, 1897	Republican	Arthur Brown	1
		Silver Republican				55th Congress	2	Elected in 1897. Lost renomination.	March 4, 1897 – March 3, 1903	Democratic	Joseph L. Rawlins	2
Vacant			March 4, 1899 – January 23, 1901	Legislature failed to elect. Cannon and Alfred W. McCune were the frontrunners.[1]	2	56th Congress
2	Thomas Kearns	Republican	January 23, 1901 – March 3, 1905	Elected late in 1901. Retired.
						57th Congress
						58th Congress	3	Elected in 1903.	March 4, 1903 – March 3, 1933	Republican	Reed Smoot	3
3	George Sutherland	Republican	March 4, 1905 – March 3, 1917	Elected in 1905.	3	59th Congress
						60th Congress
						61st Congress	4	Re-elected in 1909.
				Re-elected in 1911. Lost re-election.	4	62nd Congress
						63rd Congress
						64th Congress	5	Re-elected in 1914.
4	William H. King	Democratic	March 4, 1917 – January 3, 1941	Elected in 1916.	5	65th Congress
						66th Congress
						67th Congress	6	Re-elected in 1920.
				Re-elected in 1922.	6	68th Congress
						69th Congress
						70th Congress	7	Re-elected in 1926. Lost re-election.
				Re-elected in 1928.	7	71st Congress
						72nd Congress
						73rd Congress	8	Elected in 1932.	March 4, 1933 – January 3, 1951	Democratic	Elbert D. Thomas	4
				Re-elected in 1934. Lost renomination.	8	74th Congress
						75th Congress
						76th Congress	9	Re-elected in 1938.
5	Abe Murdock	Democratic	January 3, 1941 – January 3, 1947	Elected in 1940. Lost re-election.	9	77th Congress
						78th Congress
						79th Congress	10	Re-elected in 1944. Lost re-election.
6	Arthur V. Watkins	Republican	January 3, 1947 – January 3, 1959	Elected in 1946.	10	80th Congress
						81st Congress
						82nd Congress	11	Elected in 1950.	January 3, 1951 – December 20, 1974	Republican	Wallace F. Bennett	5
				Re-elected in 1952. Lost re-election.	11	83rd Congress
						84th Congress
						85th Congress	12	Re-elected in 1956.
7	Frank E. Moss	Democratic	January 3, 1959 – January 3, 1977	Elected in 1958.	12	86th Congress
						87th Congress
						88th Congress	13	Re-elected in 1962.
				Re-elected in 1964.	13	89th Congress
						90th Congress
						91st Congress	14	Re-elected in 1968. Retired, and resigned early to give successor preferential seniority.
				Re-elected in 1970. Lost re-election.	14	92nd Congress
						93rd Congress
								Appointed to finish Bennett's term, having already been elected to the next term	December 21, 1974 – January 3, 1993	Republican	Jake Garn	6
						94th Congress	15	Elected in 1974.
8	Orrin Hatch	Republican	January 3, 1977 – January 3, 2019	Elected in 1976.	15	95th Congress
						96th Congress
						97th Congress	16	Re-elected in 1980.
				Re-elected in 1982.	16	98th Congress
						99th Congress
						100th Congress	17	Re-elected in 1986. Retired.
				Re-elected in 1988.	17	101st Congress
						102nd Congress
						103rd Congress	18	Elected in 1992.	January 3, 1993 – January 3, 2011	Republican	Bob Bennett	7
				Re-elected in 1994.	18	104th Congress
						105th Congress
						106th Congress	19	Re-elected in 1998.
				Re-elected in 2000.	19	107th Congress
						108th Congress
						109th Congress	20	Re-elected in 2004. Lost renomination.
				Re-elected in 2006.	20	110th Congress
						111th Congress
						112th Congress	21	Elected in 2010.	January 3, 2011 – Present	Republican	Mike Lee	8
				Re-elected in 2012. Retired.	21	113th Congress
						114th Congress
						115th Congress	22	Re-elected in 2016.
9	Mitt Romney	Republican	January 3, 2019 – Present	Elected in 2018.	22	116th Congress
						117th Congress
						118th Congress	23	To be determined in the 2022 election.
#	Senator	Party	Years in office	Electoral history	T e r m		T e r m	Electoral history	Years in office	Party	Senator	#
Class 1							Class 3

As of January 2019^[update], there were two living former U.S. senators from Utah. The most recent senator to die was Bob Bennett of Class 3 (1993-2011) on May 4, 2016. The most recent Class 1 senator to die was Frank Moss (1959-1977) on January 29, 2003.