Senator Smith may refer to:

• Jefferson Smith, a character in the 1939 comedy-drama film Mr. Smith Goes to Washington
• Senator Smith, a character in the 1941 western film They Died with Their Boots On
• Lafe Smith, a character in the 1962 drama film Advise & Consent
• Senator Smith, a character in the 2003 television show Mister Sterling

• David Smith (Australian Capital Territory politician) (born 1970), Australian senator from the Australian Capital Territory from 2018 to 2019
• Dean Smith (Australian politician) (born 1969), Australian senator from Western Australia since 2012
• Marielle Smith (born 1986), Australian senator from South Australia since 2019
• Staniforth Smith (1869–1934), Australian senator from Western Australia from 1901 to 1906

• Benjamin Franklin Smith (1865–1944), Canadian senator from New Brunswick from 1935 to 1944
• David Smith (Canadian senator) (1941–2020), Canadian senator from Cobourg, Ontario from 2002 to 2016
• Donald Smith (politician) (1905–1985), Canadian senator from Queens—Shelburne from 1955 to 1980
• E. D. Smith (1853–1948), Canadian senator from Wentworth, Ontario from 1913 to 1946
• Frank Smith (Canadian politician) (1822–1901), Canadian senator from Toronto, Ontario from 1871 to 1900
• George Isaac Smith (1909–1982), Canadian senator from Colchester, Nova Scotia from 1975 to 1982
• Larry Smith (Canadian politician) (born 1951), Canadian senator from Saurel, Quebec since 2011
• Sydney John Smith (1892–1976), Canadian senator from British Columbia from 1957 to 1968

• Matthew Smith (Irish politician) (died 1955), Irish senator from 1954 to 1955
• Michael Smith (Irish politician) (born 1940), Irish senator in 1982 and from 1983 to 1987

• James Skivring Smith (1825–1892), Liberian senator from 1855 to 1863 and from 1868 to 1869

• Benjamin A. Smith II (1916–1991), U.S. senator from Massachusetts from 1960 to 1962
• Bob Smith (New Hampshire politician) (born 1941), U.S. senator from New Hampshire from 1990 to 2003
• Daniel Smith (surveyor) (1748–1818), U.S. senator from Tennessee from 1798 to 1799 and from 1805 to 1809
• Delazon Smith (1816–1860), U.S. senator from Oregon in 1859
• Ellison D. Smith (1864–1944), U.S. senator from South Carolina from 1909 to 1944
• Gordon H. Smith (born 1952), U.S. senator from Oregon from 1997 to 2009
• Howard Alexander Smith (1880–1966), U.S. senator from New Jersey from 1944 to 1959
• Israel Smith (1759–1810), U.S. senator from Vermont from 1803 to 1807
• James Smith Jr. (1851–1927), U.S. senator from New Jersey from 1893 to 1899
• John Smith (New York politician, born 1752) (1752–1816), U.S. senator from New York from 1804 to 1813
• John Smith (Ohio politician, died 1824) (1735–1824), U.S. senator from Ohio from 1803 to 1808
• John Walter Smith (1845–1925), U.S. senator from Maryland from 1908 to 1921
• M. Hoke Smith (1855–1931), U.S. senator from Georgia from 1911 to 1921
• Marcus A. Smith (1851–1924), U.S. senator from Arizona from 1912 to 1921
• Margaret Chase Smith (1897–1995), U.S. senator from Maine from 1949 to 1973
• Nathan Smith (senator) (1770–1835), U.S. senator from Connecticut from 1833 to 1835
• Oliver H. Smith (1794–1859), U.S. senator from Indiana from 1837 to 1843
• Perry Smith (politician) (1783–1852), U.S. senator from Connecticut from 1837 to 1843
• Ralph Tyler Smith (1915–1972), U.S. senator from Illinois from 1969 to 1970
• Samuel Smith (Maryland politician) (1752–1839), U.S. senator from Maryland from 1803 to 1815 and from 1822 to 1833
• Tina Smith (born 1958), U.S. senator from Minnesota since 2018
• Truman Smith (1791–1884), U.S. senator from Connecticut from 1849 to 1854
• William Alden Smith (1859–1932), U.S. senator from Michigan from 1907 to 1919
• William Smith (South Carolina senator) (1762–1840), U.S. senator from South Carolina from 1816 to 1823 and from 1826 to 1831
• Willis Smith (1887–1953), U.S. senator from North Carolina from 1950 to 1953

• Harri Anne Smith (born 1962)
• Robert Hardy Smith (1813–1878)

• Steve Smith (Arizona politician) (fl. 2010s)
• Tom Smith (Arizona politician) (1927–2014)

• Chris Smith (Florida politician) (born 1970)
• Rod Smith (politician) (born 1949)

• James Monroe Smith (Georgia planter) (1839–1915)
• Preston Smith (Georgia state politician) (fl. 2000s–2010s)
• William Ephraim Smith (1829–1890)

• Edward O. Smith (1817–1892)
• Elbert S. Smith (1911–1983)
• Frank L. Smith (1867–1950)
• Ora Smith (1884–1965)
• Ralph Tyler Smith (1915–1972)
• Theophilus W. Smith (1784–1846)
• Thomas Vernor Smith (1890–1964)

• Alonzo G. Smith (1848–1907)
• Jim Smith (Indiana politician)
• Marcus C. Smith (1825–1900)
• Samuel Smith Jr. (fl. 1990s–2000s)
• Thomas Smith (Indiana congressman) (1799–1876)

• Edward McMurray Smith (1870–1953)
• Hiram Y. Smith (1843–1894)
• Roby Smith (born 1969)

• Glee S. Smith Jr. (1921–2015)
• Greg Smith (Kansas politician) (born 1959)

• Brandon Smith (politician) (born 1967)
• David Highbaugh Smith (1854–1928)
• John Speed Smith (1792–1854)

• Clyde H. Smith (1876–1940)
• Douglas Smith (Maine politician) (born 1946)
• Francis Ormand Jonathan Smith (1806–1876)

• Robert Smith (Cabinet member) (1757–1842)
• Thomas Alexander Smith (1850–1932)
• William C. Smith Jr. (born 1982)
• William Smith (Maryland politician) (1728–1814)

• George Edwin Smith (1849–1919)
• Josiah Smith (1738–1803)

• George A. Smith (Michigan politician) (1825–1893)
• John W. Smith (Detroit mayor) (1882–1942)
• Nick Smith (American politician) (born 1934)
• Samuel William Smith (1852–1931)
• Virgil C. Smith (born 1947)
• Virgil Smith Jr. (born 1979)

• Frank Ellis Smith (1918–1997)
• Martin T. Smith (1934–2015), Mississippi State Senate

• Francis Smith (Missouri politician) (1905–1984)
• Jeff Smith (Missouri politician) (born 1973)
• Madison Roswell Smith (1850–1919)
• Randle Jasper Smith (1908–1962)

• Adrian Smith (politician) (born 1970)
• Alva Smith (1850–1924)
• Jim Smith (Nebraska politician) (born 1959)

• Bob Smith (New Jersey state senator) (born 1947)
• Bradford S. Smith (born 1950)
• Hezekiah Bradley Smith (1816–1887)
• L. Harvey Smith (born 1948)
• Walter L. Smith Jr. (1917–1994)

• Ada L. Smith (born 1945)
• Bernard C. Smith (1923–1999)
• Jesse C. Smith (1808–1888)
• John E. Smith (New York politician) (1843–1907)
• John Smith (New York politician, born 1752) (1752–1816)
• Joshua B. Smith (1801–1860)
• Joshua Smith (New York politician) (1763–1845)
• Justin A. Smith (1818–1879)
• Malcolm Smith (American politician) (born 1956)
• Sanford W. Smith (1869–1929)
• Saxton Smith (1802–1890)
• William T. Smith (1916–2010)
• William Smith (New York state senator) (1720–1799)

• Benjamin Smith (North Carolina politician) (1756–1826)
• Erica D. Smith (born 1969)
• Fred Smith (North Carolina politician) (born 1942)
• McNeill Smith (1918–2011)
• William Alexander Smith (politician) (1828–1888)
• William N. H. Smith (1812–1889)

• John Quincy Smith (1824–1901)
• Shirley Smith (politician) (born 1950)

• Elmo Smith (1909–1968)
• William Smith (Oregon politician)

• Abraham Herr Smith (1815–1894)
• Joseph F. Smith (Pennsylvania politician) (1920–1999)
• Samuel A. Smith (1795–1861)
• William Rudolph Smith (1787–1868)

• O'Brien Smith (1756–1811)
• William Smith (South Carolina representative) (1751–1837)

• John Lee Smith (1894–1963)
• Preston Smith (governor) (1912–2003)

• Charles Manley Smith (1868–1937)
• J. Gregory Smith (1818–1891)
• Levi P. Smith (1885–1970)
• Milford K. Smith (1906–1984)
• Peter Plympton Smith (born 1945)
• Worthington Curtis Smith (1823–1894)

• Alfred C. Smith (1893–1962)
• Arthur R. Smith (1805–1865)
• Benjamin H. Smith (1797–1887)
• H. Selwyn Smith (1922–2013)
• R. S. Blackburn Smith (1871–1928)
• Ralph K. Smith (born 1942)

• Adam Smith (Washington politician) (born 1965)
• John Smith (Washington politician) (born 1973)
• Linda Smith (American politician) (born 1950)

• Anthony Smith (American politician) (1844–?)
• Joe L. Smith (1880–1962)
• Randy Smith (politician) (born 1960)

• Augustus L. Smith (1833–1902)
• Charles F. Smith Jr. (1918–2001)
• Charles H. Smith (Wisconsin politician) (1863–1915)
• Herbert H. Smith (1898–____)
• Horatio N. Smith (1820–1886)
• John B. Smith (Wisconsin politician) (1811–1879)
• Patrick Henry Smith (1827–1884)
• Perry H. Smith (1828–1885)
• Peter J. Smith (politician) (1867–1947)
• William E. Smith (politician) (1824–1883)
• William Lyman Smith (1878–1964)

• Asa Smith (politician) (1829–1907), Connecticut State Senate
• Darius S. Smith (1833–1913), South Dakota State Senate
• Debbie Smith (Nevada politician) (1956–2016), Nevada State Senate
• Edward Everett Smith (1861–1931), Minnesota State Senate
• Frank Smith (Montana politician) (born 1942), Montana State Senate
• Henry Smith (Rhode Island governor) (1766–1818), Rhode Island State Senate
• Jedediah K. Smith (1770–1828), New Hampshire State Senate
• Jerry L. Smith (1943–2015), Oklahoma State Senate
• John Arthur Smith (born 1942), New Mexico State Senate
• John R. Smith (politician, born 1945), Louisiana State Senate
• Sylvester C. Smith (1858–1913), California State Senate

• Cindy Hyde-Smith (born 1959), U.S. senator from Mississippi since 2018, and before that a member of the Mississippi State Senate
• Kamina Johnson-Smith, Jamaican senator since 2009
• Alexander Smyth (1765–1830), Virginia State Senate
• Michael Smyth (politician) (died 1973), Irish Senate
• William James Smyth (1886–1950), Northern Irish Senate
• List of people with surname Smith