Senator Mahoney may refer to:
Eugene T. Mahoney (1928–2004), Nebraska State Senate Francis J. Mahoney (1897–1956), New York State Senate John Mahoney (Ohio politician) (1949–2011), Ohio State Senate Margaret A. Mahoney (1893–1981), Ohio State Senate Walter J. Mahoney (1908–1982), New York State Senate W. P. Mahoney (1882–1967), Arizona State Senate
See also William Mahone (1826–1895), U.S. Senator from Virginia from 1881 to 1887 Jodie Mahony (1939–2009), Arkansas State Senate Joseph C. O'Mahoney (1884–1962), U.S. Senator from Wyoming from 1934 to 1953 and from 1954 to 1961