Senator Campbell may refer to:
Members of the Northern Irish Senate Thomas Joseph Campbell (1871–1946), Northern Irish Senator from 1929 to 1934
Members of the United States Senate Alexander Campbell (Ohio politician) (1779–1857), U.S. Senator from Ohio from 1809 to 1813 Ben Nighthorse Campbell (born 1933), U.S. Senator from Colorado from 1993 to 2005 George W. Campbell (1769–1848), U.S. Senator from Tennessee from 1815 to 1818
United States state senate members Archibald Campbell (Wisconsin politician), Wisconsin State Senate Carroll A. Campbell Jr. (1940–2005), South Carolina State Senate Charles Campbell (Hawaii politician) (1918–1986), Hawaii State Senate David Campbell (Virginia politician) (1779–1859), Virginia State Senate Donna Campbell (born 1954), Texas State Senate Dwight Campbell (c. 1888–1964), South Dakota State Senate Ed H. Campbell (1882–1969), Iowa State Senate Foster Campbell (born 1947), Louisiana State Senate Francis Campbell (politician) (1829–1897), Wisconsin State Senate Frank T. Campbell (1836–1907), Ohio State Senate Harvey Campbell (politician) (1792–1877), Connecticut State Senate James R. Campbell (Illinois politician) (1853–1924), Illinois State Senate John B. T. Campbell III (born 1955), California State Senate John F. Campbell (politician) (born 1954), Vermont State Senate John Campbell (1765–1828), Maryland State Senate Joseph Campbell (politician) (fl. 1940s–1960s), Maine State Senate Kathy Campbell (born 1946), Nebraska State Senate Lewis D. Campbell (1811–1882), Ohio State Senate Paul G. Campbell Jr. (born 1946), South Carolina State Senate Peter J. Campbell (1857–1919), Maryland State Senate Robert B. Campbell (died 1862), South Carolina State Senate Samuel Campbell (New York state senator) (1809–1885), New York State Senate Skip Campbell (1948–2018), Florida State Senate Thomas F. Campbell (1897–1957), New York State Senate Timothy J. Campbell (1840–1904), New York State Senate Tom Campbell (California politician) (born 1952), California State Senate Tom Campbell (North Dakota politician) (born 1959), North Dakota State Senate Tunis Campbell (1812–1891), Georgia State Senate William J. Campbell (Illinois politician) (1850–1896), Pennsylvania State Senate William W. Campbell (New York state senator) (1870–1934), New York State Senate William Campbell (California politician) (1935–2015), California State Senate