Senator Nelson may refer to:
Members of the Northern Irish Senate Thomas Nelson (Northern Ireland politician) (1888–1954), Northern Irish Senator from 1945 to 1949
Members of the United States Senate Arthur E. Nelson (1892–1955), U.S. Senator from Minnesota from 1942 to 1943 Ben Nelson (born 1941), U.S. Senator from Nebraska from 2001 to 2013 Bill Nelson (born 1942), U.S. Senator from Florida from 2001 to 2019 Gaylord Nelson (1916–2005), U.S. Senator from Wisconsin from 1963 to 1981 Knute Nelson (1843–1923), U.S. Senator from Minnesota from 1895 to 1923; also served in the Minnesota State Senate
United States state senate members Arlene Nelson (1925–2017), Nebraska State Senate Carla Nelson (born 1957), Minnesota State Senate Carolyn Nelson (politician) (born 1937), North Dakota State Senate David Nelson (Oregon politician) (born 1941), Oregon State Senate Earl E. Nelson (1937–2016), Michigan State Senate Gary A. Nelson (born 1930s), Washington State Senate Henry C. Nelson (1836–1909), New York State Senate Homer Augustus Nelson (1829–1891), New York State Senate Howard I. Nelson (1912–2008), Minnesota State Senate Hugh Nelson (Virginia politician) (1768–1836), Virginia State Senate Jane Nelson (born 1951), Texas State Senate John B. Nelson (born 1936), Arizona State Senate John E. Nelson (Nebraska politician) (born 1935), Nebraska State Senate Pam Nelson (born 1946), South Dakota State Senate Philip Nelson (Wisconsin politician) (1891–?), Wisconsin State Senate Roger Nelson (politician) (1759–1815), Maryland State Senate Sharon Nelson, Washington State Senate Socrates Nelson (1814–1867), Minnesota State Senate William Nelson (Wisconsin politician) (1839–1913), Wisconsin State Senate
Others Ted S. Nelson (born 1935), Senator from Guam Telena Cruz Nelson (born 1980), Senator from Guam
See also Ancher Nelsen (1904–1992), Minnesota State Senate Nelson (surname)