John Gaunt may refer to:
John C. Gaunt (1833–1886), American soldier in the American Civil War John L. Gaunt (1924–2007), American Pulitzer Prize-winning photographer John Gaunt, dean of the University of Kansas School of Architecture, Design, and Planning, 1994–2015 John Gaunt, the alter ego of the comic book mercenary Grimjack
See also Jon Gaunt (born 1961), English radio talk show presenter John O'Gaunt (disambiguation) John of Gaunt (1340–1399), English prince, military leader and statesman