Senator Spencer may refer to:
Members of the United States Senate George E. Spencer (1836–1893), U.S. Senator from Alabama from 1868 to 1879 Lloyd Spencer (1893–1981), U.S. Senator from Arkansas from 1941 to 1943 Selden P. Spencer (1862–1925), U.S. Senator from Missouri from 1918 to 1925
United States state senate members Ambrose Spencer (1765–1848), New York State Senate George Austin Spencer (1906–1997), Missouri State Senate Horace C. Spencer (1832–1926), Michigan State Senate John Canfield Spencer (1788–1855), New York State Senate Joseph Spencer (New York politician) (1790–1823), New York State Senate Joshua A. Spencer (1790–1857), New York State Senate Mark Spencer (Indiana politician) (fl. 2020s), Indiana State Senate Mark Spencer (New York politician) (1787–1859), New York State Senate Samuel R. Spencer (1871–1961), Connecticut State Senate Tom Spencer (Florida politician) (1928–2018), Florida State Senate
See also Senator Spence (disambiguation)