Jack Kirby (1917–1994) was an American comic book writer.

Jack Kirby may also refer to:

• Jack Kirby (Australian footballer) (1889–1939), Australian rules footballer
• Jack Kirby (English footballer) (1910–1960), English football goalkeeper
• Jack Kirby (American football) (1923–2007), American football player
• Jack T. Kirby (1938–2009), American historian who wrote about the Southern United States

• John Kirby (disambiguation)
• Jack Kilby, electrical engineer

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