Senator Bennett or Bennet may refer to:

Members of the United States Senate

• Bob Bennett (politician) (1933–2016), U.S. Senator from Utah from 1993 to 2011
• Michael Bennet (born 1964), U.S. Senator from Colorado since 2009
• Wallace F. Bennett (1898–1993), U.S. Senator from Utah from 1951 to 1974

United States state senate members

• Albert E. Bennett (1914–1971), Illinois State Senate
• David S. Bennett (1811–1894), New York State Senate
• Don Bennett (politician) (1931–1987), Alaska State Senate
• Frank P. Bennett Jr. (1878–1965), Massachusetts State Senate
• George Bennett (Wisconsin politician), Wisconsin State Senate
• Granville G. Bennett (1833–1910), Iowa State Senate
• Hiram Pitt Bennet (1826–1914), Colorado State Senate
• J. Henry Bennett (1876–1956), Wisconsin State Senate
• James R. Bennett (1940–2016), Alabama State Senate
• John D. Bennett (1911–2005), New York State Senate
• John O. Bennett (born 1948), New Jersey State Senate
• Ken Bennett (born 1959), Arizona State Senate
• Louis Bennett (politician) (died 1959), New York State Senate
• Michael S. Bennett (born 1945), Florida State Senate
• Philip Allen Bennett (1881–1942), Missouri State Senate
• Richard A. Bennett (born 1963), Maine State Senate
• Robert Frederick Bennett (1927–2000), Kansas State Senate
• Scott M. Bennett (born 1977), Illinois State Senate
• Stephen O. Bennett (1807–1886), Wisconsin State Senate
• Thomas W. Bennett (territorial governor) (1831–1893), Indiana State Senate
• Thomas Bennett Jr. (1781–1865), South Carolina State Senate
• Van S. Bennett (1836–1914), Wisconsin State Senate
• Wayne D. Bennett (1927–2015), Iowa State Senate
• William M. Bennett (1869–1930), New York State Senate