Senator Hamilton may refer to:
Members of the United States Senate Morgan C. Hamilton (1809–1893), U.S. Senator from Texas from 1870 to 1877 William Thomas Hamilton (1820–1888), U.S. Senator from Maryland from 1869 to 1875
United States state senate members Bill Hamilton (West Virginia politician) (born 1950), West Virginia State Senate Charles Mann Hamilton (1874–1942), New York State Senate Clark Hamilton (1899–1980), Idaho State Senate Cornelius S. Hamilton (1821–1867), Ohio State Senate Darden Hamilton (born 1956), Arizona State Senate Eva McCall Hamilton (1871–1948), Michigan State Senate Isaac Miller Hamilton (1864–1952), Illinois State Senate James A. Hamilton (1876–1950), New York State Senate James E. Hamilton (born 1935), Oklahoma State Senate James Hamilton Jr. (1786–1857), South Carolina State Senate John Marshall Hamilton (1847–1905), Illinois State Senate John Hamilton (congressman) (1754–1837), Pennsylvania State Senate Jones S. Hamilton (1833–1907), Mississippi State Senate Joseph B. Hamilton (1817–1902), Wisconsin State Senate Milton H. Hamilton Jr. (1932–2008), Tennessee State Senate Paul Hamilton (politician) (1762–1816), South Carolina State Senate Robert S. Hamilton (1865–1940), Illinois State Senate William J. Hamilton (1932–2019), New Jersey State Senate Samuel Hambleton (politician) (1812–1886), Maryland State Senate