Senator Sewall may refer to:
Charles S. Sewall (1779–1848), Maryland State Senate Harold M. Sewall (1860–1924), Maine State Senate Joseph Sewall (1921–2011), Maine State Senate Sumner Sewall (1897–1965), Maine State Senate
See also William Joyce Sewell (1835–1901), U.S. Senator from New Jersey from 1881 to 1887 and from 1895 to 1901.