Senator may refer to:
Damon Thayer (born 1967), Kentucky State Senate Ebeneezer Thayer (1746–1809), Massachusetts State Senate Francis S. Thayer (1822–1880), New York State Senate John Milton Thayer (1820–1906), U.S. Senator from Nebraska John R. Thayer (1845–1916), Massachusetts State Senate Lyman Wellington Thayer (1854–1919), Wisconsin State Senate Warren T. Thayer (1869–1956), New York State Senate