Prescott Bush (1895–1972) was a U.S. Senator from Connecticut from 1952 to 1963.
Senator Bush may also refer to:
C. R. Bush (1872–1958), Mississippi State Senate Charles P. Bush (1809–1857), Michigan State Senate E. Ogden Bush (1898–1987), New York State Senate John T. Bush (1811–1888), New York State Senate Melinda Bush (born 1956), Illinois State Senate Nellie T. Bush (1888–1963), Arizona State Senate