Senator Kavanagh or Kavanaugh may refer to:
Brian P. Kavanagh (born 1967), New York State Senate Edward Kavanagh (1795–1844), Maine State Senate John Kavanagh (Arizona politician) (born 1950), Arizona State Senate Frederick W. Kavanaugh (1871–1940), New York State Senate Walter J. Kavanaugh (1933–2008), New Jersey State Senate William Marmaduke Kavanaugh (1866–1915), U.S. Senator from Arkansas
See also Senator Cavanagh (disambiguation) Senator Cavanaugh (disambiguation)