Senator Robertson may refer to:
Members of the United States Senate Absalom Willis Robertson (1887–1971), U.S. Senator from Virginia from 1946 to 1966; also served in the Virginia State Senate Edward V. Robertson (1881–1963), U.S. Senator from Wyoming from 1943 to 1949 Thomas J. Robertson (1823–1897), U.S. Senator from South Carolina from 1868 to 1877
United States state senate members David B. Robertson (fl. 1990s–2010s), Michigan State Senate George W. Robertson (1838–1906), New York State Senate Hezekiah D. Robertson (1826–1870), New York State Senate Jerome B. Robertson (1815–1890), Texas State Senate John Brownlee Robertson (1809–1892), Connecticut State Senate John Robertson (congressman) (1787–1873), Virginia State Senate William A. Robertson (1837–1889), Louisiana State Senate William H. Robertson (1823–1898), New York State Senate