Senator Gregory may refer to:
David Gregory (politician) (fl. 2010s–2020s), Missouri State Senate Greg Gregory (born 1963), South Carolina State Senate Isaac Gregory (1737– 1800), North Carolina State Senator Ivey William Gregory (1906–1984), Georgia State Senate James J. H. Gregory (1827–1910), Massachusetts State Senate Kurtis Gregory (born 1986), Missouri State Senate Robert Gregory (Indiana judge) (1811–1885), Indiana State Senate Sara Beth Gregory (born 1982), Kentucky State Senate Vincent Gregory (born 1948), Michigan State Senate
See also Senator Gregorio (disambiguation)