Senator Cox may refer to:
Charles Frederick Cox (1863–1944), Australian Senate Dave Cox (1938–2010), California State Senate Dorinda Cox (born 1976), Australian Senate Eugene Saint Julien Cox (1834–1898), Minnesota State Senate Hardin Cox (1928–2013), Missouri State Senate Jacob Dolson Cox (1828–1900), Ohio State Senate James H. Cox (Virginian) (1810–1877), Virginia State Senate John I. Cox (1855–1946), Tennessee State Senate Kenneth Cox (born 1928), Ohio State Senate Noel Cox (politician) (1911–1985), Missouri State Senate Thomas Cox (politician) (1787–1844), Illinois State Senate William Hopkinson Cox (1856–1950), Kentucky State Senate
See also Eckley Brinton Coxe (1839–1895), Pennsylvania State Senate Tiny Kox (born 1953), Senate of the Netherlands