Senator McMullen may refer to:
Adam McMullen (1872–1959), Nebraska State Senate Fayette McMullen (1805–1880), Virginia State Senate John McMullen (politician) (1843–1922), Wisconsin State Senate
See also Harry McMullan (1884–1955), North Carolina State Senate Dix H. McMullin (1933–2008), Utah State Senate Senator McMillan (disambiguation)