Senator Willis may refer to:
Members of the United States Senate Frank B. Willis (1871–1928), U.S. Senator from Ohio from 1921 to 1928 Raymond E. Willis (1875–1956), U.S. Senator from Indiana from 1941 to 1947
United States state senate members Charles T. Willis (1841–1921), New York State Senate Edwin E. Willis (1904–1972), Louisiana State Senate John H. Willis (politician) (fl. 1910s), Arizona State Senate Parish L. Willis (1838–1917), Oregon State Senate R. Holman Willis (1880–1954), Virginia State Senate Tom Willis (politician) (fl. 2020s), West Virginia State Senate William Willis (Maine politician) (1794–1870), Maine State Senate
See also Senator Wills (disambiguation)