Senator Matheson may refer to: Roderick Matheson (1793–1873), Senator of Canada from 1867 to 1873 Sir Alexander Matheson, 3rd Baronet (1861–1929), Australian Senator from 1901 to 1906 Ivan M. Matheson (1926–2016), Utah State Senator from 1977 to 1989 Senator Matheson (X-Files), a character on The X-Files
See also Elisha Mathewson (1767–1853), U.S. Senator from Rhode Island from 1807 to 1811 James L. Mathewson (born 1938), Missouri State Senator