Senator MacDonald may refer to:
Allan Macdonald (1794–1862), New York State Senate Carol Lee MacDonald (1934–2008), Arizona State Senate John L. MacDonald (1838–1903), Minnesota State Senate Mark MacDonald (Vermont politician) (born 1942), Vermont State Senate Michael D. MacDonald (fl. 2010s), Michigan State Senate Moses Macdonald (1815–1869), Maine State Senate Robert J. MacDonald (1914–1987), Michigan State Senate Virginia B. MacDonald (1920–2008), Illinois State Senate
See also Senator McDonald (disambiguation)