Fallon is an Irish surname and refers to the clan name Ó Fallamháin or Ó Fallúin.
The original Gaelic form of the name Fallon is O Fallamhain. 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 an "a" as in "fall".
In Ireland, Fallon is exclusively a surname rather than a given name. Outside of Ireland, particularly in the United States, it is occasionally used as a gender-neutral given name.
Notable people with the surname include:
BP Fallon, Irish DJ, author, photographer, and musician Bernard Patrick Fallon (born 1946)
Brian Fallon (born 1980), American singer-songwriter and musician
Brian Fallon (press secretary) (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 (football) (born 1950), Scottish footballer and coach
Jim Fallon (rugby) (born 1965), English rugby player
Jimmy Fallon (born 1974), American actor, comedian, and television host
John Fallon (disambiguation)
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
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
Pat Fallon (born 1967), American businessman and politician
Richard Fallon (disambiguation)
Rory Fallon (born 1982), New Zealand footballer
Stephen M. Fallon, American literary scholar
Steve Fallon (footballer) (born 1956), English former footballer
Steven Fallon (born 1979), Scottish retired footballer
Sean Fallon (disambiguation)
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