Notable individuals with the surname Hearn, Hearne, Hearns or Hearnes include:

• Adrian Hearn (1920–1993), Australian rules footballer
• Alec Hearne (1863–1952), English cricketer
• Alex Hearne (born 1993), English cricketer
• Amber Hearn (born 1984), New Zealand soccer player
• Ann Hearn (born 1953), American actress
• Annie Hearn, English arsenic poisoner
• Anthony C. Hearn, Australian-American computer scientist
• Azeline Hearne (1825–1890?), American slave and litigator
• Azizi Hearn (born 1999), American football player

• Barry Hearn (born 1948), English sports promoter
• Betty Cooper Hearnes (born 1927), American politician
• Bill Hearn (born 1913), Australian rules footballer
• Billy Ray Hearn (1929–2015), American music producer
• Bob Hearn, American ultramarathoner, computer scientist, and recreational mathematician
• Brett Hearn (born 1958), American stock car driver
• Bunny Hearn (1891–1959), American baseball player and scout
• Bunny Hearn (1920s pitcher) (1904–1974), American baseball player

• Cathy Hearn (born 1958), American slalom kayaker
• Charles J. Hearn (1931–2003), American judge
• Charley Hearn (born 1983), English footballer
• Chick Hearn (1916–2002), American sportscaster
• Ciaran Hearn (born 1985), Canadian rugby union player
• Clarrie Hearn (1905–1981), Australian rules footballer
• Clint Calvin Hearn (1866–1928), American Army officer
• Conor Hearne (born 1998), Irish hurler

• Daniel Hearne (died 1766), Irish priest
• David Hearn (disambiguation), several people
• Dennis Walter Hearne, American diplomat
• Dixon Hearne (born 1948), American educator and writer

• Edgar Hearn (1929–1983), British boxer
• Edward Hearn or Hearne (disambiguation), several people
• Elle Hearns (born 1986/1987), American transgender rights activist

• Fil Hearn (born 1938), American architectural and art historian
• Frank Hearne (1858–1949), English-South African cricketer

• George Hearn or Hearne (disambiguation), several people
• Glenn Hearn (1914–1978), American politician
• Graham Hearne (born 1937), British businessman
• Grant Hearn, British businessman and public servant

• Harry Hearn (1890–1956), Australian politician and businessman
• Herbert Hearne (1862–1906), English cricketer
• Horace Hearne (1892–1962), English barrister and judge
• Hughie Hearne (1873–1932), American baseball player

• J. T. Hearne (1867–1944), English cricketer
• J. W. Hearne (1891–1965), English cricketer
• James Hearn (born 1976), English singer-songwriter
• Jean Hearn (1921–2017), Australian politician and trade unionist
• Jeff Hearn (born 1947), British sociologist
• Jim Hearn (1921–1998), American baseball player
• John Hearn or Hearne (disambiguation), several people
• Joy Hearn (born 1958), American politician
• Joyce Hearn (1929–2021), American politician

• Karen Hearn, British art historian and curator
• Karl R. Hearne, Canadian director and screenwriter
• Karyn Hearn Slover (1972–1996), American murder victim
• Kaye Gorenflo Hearn (born 1950), American judge
• Kevin Hearn (born 1969), Canadian musician
• Kevin Hearne (born 1970), American novelist

• Lacey Hearn (1881–1969), American athlete
• Lachlan Hearne (born 2000), Australian cricketer
• Lafcadio Hearn (1850–1904), Irish-Greek-Japanese writer, translator and teacher
• Liam Hearn (born 1985), English football coach and player
• Loyola Hearn (born 1943), Canadian diplomat and politician

• Mary Hearn (1891–1969), Irish gynaecologist
• Mary Hearne (fl. 1718), British novelist
• Maurie Hearn (1912–2004), Australian rules footballer
• Michael Hearn or Hearne (disambiguation), several people
• Milton Hearn (born 1943), Australian chemist
• Murray Hearn (1898–1954), American lawyer, politician and judge

• Pat Hearn (1955–2000), American art dealer
• Pat Hearne (died 1859), American gambler and sportsman
• Peter Hearn (1925–2013), English cricketer
• Peter Hearne (1927–2014), British engineer

• Reggie Hearn (born 1991), American basketball player
• Richard Hearn (1890–1987), Canadian engineer
• Richard Hearne (1908–1979), English actor and comedian
• Richie Hearn (born 1971), American racing driver
• Robert Hearn (died 1952), Irish Anglican Bishop
• Ronald Hearns (born 1978), American boxer
• Rory Hearne, Irish academic and politician
• Roy Hearn (1908–1978), Australian rules footballer
• Ruby Puryear Hearn (born 1940), American biophysicist

• Samuel Hearne (1745–1792), English explorer and fur-trader
• Séamus Hearne (1932–2008), Irish hurler
• Sid Hearn (1899–1963), English cricketer
• Sue Hearn (born 1956), Australian dressage rider

• Taylor Hearn (disambiguation), several people
• Ted Hearne (born 1982), American composer, singer and conductor
• Thomas Hearn or Hearne (disambiguation), several people
• Thomas Hearns (born 1958), American boxer
• Tony Hearn (born 1929), British trade union leader
• Tony Hearn (rugby league) (born 1969), Australian rugby league footballer
• Travis Hearnes (born 2005), Norwegian footballer

• Vicki Hearne (1946–2001), American author and animal trainer

• Walter Hearne (1864–1925), English cricketer
• Walter Risley Hearn (1853–1930), British diplomat
• Warren E. Hearnes (1923–2009), American politician
• Wayne Hearn (born 1962), American tennis player
• William Hearn (disambiguation), several people

• Hearn (disambiguation)
• Hearn family
• Hern
• Herne (surname)
• Ahern
• Ahearn