Senator Haines may refer to:
Albert R. Haines (1826–?), Ohio State Senate C. William Haines (1928–1996), New Jersey State Senate Doug Haines (fl. 2000s), Georgia State Senate John Charles Haines (1818–1896), Illinois State Senate Larry E. Haines (1938–2024), Maryland State Senate Phil Haines (born 1950), New Jersey State Senate
See also William R. Haine (1944–2021), Illinois State Senate