John Hartigan may refer to:

People

• John A. Hartigan (born 1937), Australian-American statistician
• John Patrick Hartigan (1887–1968), American jurist
• John Hartigan, American captain of 1911 Boston College football team
• John Hartigan (rowing) (1940–2020), American coxswain
• John Hartigan (media executive) (born 1947), Australian journalist
• John Hartigan, American Emmy nominee in 2014 Primetime Emmy Award for Outstanding Special Visual Effects
• John Hartigan, Australian director of Land Registry, subordinate in 2001 to Elizabeth O'Keeffe
• John Hartigan, English Labour Party candidate in Shipston ward of 2017 Warwickshire County Council election

Characters

• John Hartigan (Sin City), major protagonist in 1990s American graphic novels by Frank Miller

Topics referred to by the same term

This disambiguation page lists articles about people with the same name.
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