Fallon is an Irish surname and refers to the clan name Ó Fallamháin or Ó Fallúin.^[1]

The original Gaelic form of the name Fallon is O Fallamhain. Early Origins of the Fallon family The surname Fallon was first found in Galway (Irish: Gaillimh) part of the province of Connacht, located on the west coast of the Island, where they held a family seat from very ancient times. The origin of the surname in Irish is "Leader" or "granddaughter/grandson of a rich king." The Irish surname meaning “governor” or “supremacy.” Some have maintained that Fallon was originally pronounced with a long “a” as in “fall.”

In Ireland, Fallon is exclusively a surname rather than a given name. However outside of Ireland, particularly in the United States, it is occasionally used as a gender-neutral given name. This usage is not traditionally Irish, and to Irish ears may sound incorrect or out of place.

Notable people with the surname Fallon:

• BP Fallon (born 1946), Irish DJ, author, photographer, and musician
• Brian Fallon (born 1980), American singer-songwriter and musician
• Brian Fallon (born 1982), American political activist
• Craig Fallon (1982–2019), British judoka
• Ed Fallon (born 1958), American politician and activist
• George Fallon (baseball) (1914–1994), American baseball player
• George Hyde Fallon (1902–1980), U.S. Congressman
• James H. Fallon (born 1947), American neuroscientist
• Jennifer Fallon (born 1959), Australian author
• Jim Fallon (born 1950), Scottish footballer and coach
• Jim Fallon (born 1965), English rugby player
• Jimmy Fallon (born 1974), American actor, comedian, and television host
• John Fallon (disambiguation), multiple people
• Jonathan Fallon, rugby player
• Kevin Fallon (born 1948), English-New Zealand soccer coach
• Kieren Fallon (born 1965), Irish jockey
• Lucy Fallon (born 1995), English actress
• Manuel Fallon (born 1990), Argentinian notable personality
• Matt Fallon (born 1965), American singer
• Michael Fallon (born 1952), British politician
• Neil Fallon (born 1971), American singer
• Órla Fallon (born 1974), Irish singer and songwriter
• Richard Fallon (disambiguation), multiple people
• Rory Fallon (born 1982), New Zealand footballer
• Sean Fallon (disambiguation), multiple people
• Siobhan Fallon Hogan (born 1961), American actress and comedian
• Tiffany Fallon (born 1974), American model
• Thomas Fallon, mayor of San Jose, California
• William J. Fallon (born 1944), U.S. Navy admiral