Senator McDonald may refer to:
Members of the United States Senate Alexander McDonald (American politician) (1832–1903), U.S. Senator from Arkansas from 1868 to 1871 Joseph E. McDonald (1819–1891), U.S. Senator from Indiana from 1875 to 1881
United States state senate members Albert McDonald (1930–2014), Alabama State Senate Andrew J. McDonald (born 1966), Connecticut State Senate Charles James McDonald (1793–1860), Georgia State Senate Donald A. McDonald (1833–1906), Wisconsin State Senate Edward F. McDonald (1844–1892), New Jersey State Senate Gordon McDonald (Nebraska politician) (1935–2020), Nebraska State Senate Jesse Fuller McDonald (1858–1942), Colorado State Senate John McDonald (Maine politician) (1773–1826), Maine State Senate John Angus McDonald (1917–2008), Florida State Senate Roy J. McDonald (born 1947), New York State Senate Richard N. McDonald (1948–2001), Nebraska State Senate Simon S. McDonald (1869–1956), North Dakota State Senate Vickie McDonald (born 1947), Nebraska State Senate
See also Senator MacDonald (disambiguation)