Ernest McFarland (1894–1984) was a U.S. Senator from Arizona from 1941 to 1953. Senator McFarland may also refer to:
Basil McFarland (1898–1986), Northern Irish Senate David McFarland (politician) (1822–1902), Wisconsin State Senate J. R. McFarland (fl. 1920s–1930s), Arizona State Senate James T. McFarland (1930–2015), New York State Senate Jim McFarland (1947–2020), Nebraska State Senate Noah C. McFarland (1822–1897), Ohio State Senate and Kansas State Senate
See also Senator McFarlane (disambiguation)