Hanlon is a surname often associated with, but not necessarily tied to, the O'Hanlon Sept. The name may denote:

• Adrian Hanlon, Irish Gaelic footballer

• Alf Hanlon (1866–1944), New Zealand lawyer

• Alison Hanlon, Irish veterinary research scientist

• Alma Hanlon (1890–1977), American silent film actress

• Arthur Hanlon, American pianist, songwriter, and arranger

• Bill Hanlon (1876–1905), American baseball player

• Brian Hanlon, American sculptor

• C. Rollins Hanlon (1915–2011), American cardiac surgeon

• Charles Hanlon (1918–1990), American politician

• Colin Hanlon, American actor

• Dan Hanlon (1886–1951), American silent film actor

• Darren Hanlon, Australian folk musician

• Donie Hanlon (1937–2023), Irish Gaelic footballer

• Edward Hanlon (disambiguation) (or Ned), several people

• George Hanlon (1917–2010), Australian horse trainer

• Jerry Hanlon (1929–2026), American football player, coach, and radio broadcaster

• Glen Hanlon (born 1957), Canadian ice hockey player and coach

• Gordon B. Hanlon (died 1973), American stockbroker

• Gregory Hanlon (born 1953), Canadian historian

• Heidi Hanlon (born 1958), Canadian curler

• Henry Hanlon (1862–1937), English Roman Catholic bishop

• Jack Hanlon (1916–2012), American child actor

• James Hanlon (disambiguation), several people

• John Hanlon (disambiguation) (or Jack), several people

• Joseph Hanlon (born 1941), British journalist and social scientist

• Josh Hanlon (born 1997), Australian Paralympic alpine skier

• Kara Hanlon (born 1997), Scottish swimmer

• Keith Hanlon (born 1966), Irish archer

• Lizzie Hanlon (born 2001), English rugby union player

• Lorraine Hanlon (born 1946), American figure skater

• Mark Hanlon, American film director and screenwriter

• Marie Hanlon (born 1948), Irish artist

• Michael Hanlon (1964–2016), British science writer

• Michelle Hanlon (born 1965), American space lawyer

• Monique Hanlon (born 2004), Australian sprinter

• Pat Hanlon (1930–2014), Australian politician

• Paul Hanlon (born 1990), Scottish footballer

• Peter Hanlon (disambiguation), several people

• Philip J. Hanlon, American mathematician and President of Dartmouth College

• Richie Hanlon, fictional character from the TV series Oz

• Ritchie Hanlon (born 1978), English football player and manager

• Roger Hanlon (born 1947), American marine biologist

• Stephen Hanlon (born 1941), American Civil rights attorney and public defender reformer

• Stuart Hanlon, American attorney

• Tara Hanlon (born 1998), Irish rower

• Terri Hanlon (born 1953), American media artist

• Tomm Hanlon (disambiguation), several people

• Toma Hanlon (–1929), American actress, singer, and songwriter

• Wally Hanlon (1919–1999), Scottish footballer

See also

• Hannon

• O'Hanlon

• Hanlon's razor

• Hanlon Brothers

References

• The O'Hanlons of Orior 1558-1691:Part II, Joseph Canning, Seanchas Ard Mhacha, 19, #1, pp.111–129, 2002.