Senator Fisher may refer to:
- Charles Thompson Fisher (1846–1930), Wisconsin State Senate
- Charles Fisher (congressman) (1789–1849), North Carolina State Senate
- D. Michael Fisher (born 1944), Pennsylvania State Senate
- Fred R. Fisher (1871–1959) Wisconsin State Senate
- Hendrick V. Fisher (1846–1909), Illinois State Senate
- Horatio Gates Fisher (1838–1890), Pennsylvania State Senate
- Hubert Fisher (1877–1941), Tennessee State Senate
- James Fisher (Wisconsin politician) (1816–1901), Wisconsin State Senate
- John Stuchell Fisher (1867–1940), Pennsylvania State Senate
- Joseph Fisher (Northern Ireland politician) (1901/1902–1963), Northern Irish Senate
- Joseph W. Fisher (1814–1900), Pennsylvania State Senate
- Lee Fisher (born 1951), Ohio State Senate