Senator Douglas may refer to:

Members of the United States Senate Paul Douglas (1892–1976), U.S. Senator from Illinois from 1949 to 1967 Stephen A. Douglas (1813–1861), U.S. Senator from Illinois from 1847 to 1861

United States state senate members Beverly B. Douglas (1822–1878), Virginia State Senate Curtis N. Douglas (1856–1919), New York State Senate H. B. Douglas (1888–1971), Florida State Senate James Postell Douglas (1836–1901), Texas State Senate Mark Douglas (politician) (1829–1900), Wisconsin State Senate William Lewis Douglas (1845–1924), Massachusetts State Senate

See also Brooks Douglass (born 1963), Oklahoma State Senate Neria Douglass (born 1952), Maine State Senate