Robert F. Wagner (1877–1953) was a US Senator from New York from 1927 to 1949.
Senator Wagner may also refer to:
David Wagner (judge) (1826–1902), Missouri State Senate Donald Wagner (Nebraska politician) (1927–2023), Nebraska State Senate Frank Wagner (American politician) (born 1955), Virginia State Senate George D. Wagner (1829–1869), Indiana State Senate Jack Wagner (politician) (born 1948), Pennsylvania State Senate Joseph Wagner (New York politician) (1853–1932), New York State Senate Joseph Wagner (Wisconsin politician) (1809–1896), Wisconsin State Senate Michael J. Wagner (1941–2014), Maryland State Senate Rob Wagner (politician) (born 1973), Oregon State Senate Scott Wagner (born 1955), Pennsylvania State Senate Sue Wagner (1940–2026), Nevada State Senate Thomas M. Wagner (–1862), South Carolina State Senate Webster Wagner (1817–1882), New York State Senate William Wagner (philanthropist) (1796–1885), Pennsylvania State Senate
See also Richard Van Wagner (1936–2007), New Jersey State Senate Senator Wagoner (disambiguation)