Senator McMahon

Senator McMahon may refer to:


 * Brien McMahon (1903–1952), U.S. Senator from Connecticut from 1945 to 1952
 * Larry McMahon (1929–2006), Senate of Ireland
 * Martin T. McMahon (1838–1906), New York State Senate
 * Sam McMahon (born 1967), Australian Senator for the Northern Territory since 2019