Senator Caldwell may refer to:
Alexander Caldwell (1830–1917), U.S. Senator from Kansas from 1871 to 1873 Alfred Caldwell (politician) (1817–1868), Virginia State Senate Alfred Caldwell Jr. (1847–1925), West Virginia State Senate Ben F. Caldwell (1848–1924), Illinois State Senate Greene Washington Caldwell (1806–1864), North Carolina State Senate James Caldwell (Missouri speaker) (1763–1840), Missouri State Senate James Caldwell (Ohio politician) (1770–1838), Ohio State Senate Jim Caldwell (Arkansas politician) (born 1936), Arkansas State Senate John Lawrence Caldwell (1875–1922), Kansas State Senate John Caldwell (Kentucky politician) (1757–1804), Kentucky State Senate Patrick C. Caldwell (1801–1855), South Carolina State Senate Robert Porter Caldwell (1821–1885), Tennessee State Senate Robert Caldwell (Wisconsin politician) (1866–1950), Wisconsin State Senate Ron Caldwell (born 1951), Arkansas State Senate Tod Robinson Caldwell (1818–1874), North Carolina State Senate William Parker Caldwell (1832–1903), Tennessee State Senate