Senator Eaton may refer to:

Members of the United States Senate John Eaton (politician) (1790–1856), U.S. Senator from Tennessee William W. Eaton (1816–1898), U.S. Senator from Connecticut

United States state senate members Barney Augustus Eaton (1853–1936), Wisconsin State Senate Chris Eaton (politician) (born 1954), Minnesota State Senate Ernest T. Eaton (1877–1957), Montana State Senate Henry L. Eaton (1834–1890), Wisconsin State Senate Horace Eaton (1804–1855), Vermont State Senate Joe Oscar Eaton (1920–2008), Florida State Senate Lewis Eaton (1790–1857), New York State Senate Thomas R. Eaton (born c. 1949), New Hampshire State Senate