John Duff

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "John Duff" – news · newspapers · books · scholar · JSTOR (December 2006) (Learn how and when to remove this message)

John Duff
Duff (left) with Frank Clement at Le Mans in 1924
Born	John Francis Duff (1895-01-17)January 17, 1895 Jiujiang, Jiangxi, China
Died	January 9, 1958(1958-01-09) (aged 62) Epping Forest, England, U.K.
Championship titles
Major victories 24 Hours of Le Mans (1924)
Champ Car career
3 races run over 1 year
Best finish	17th (1926)
First race	1926 Indianapolis 500 (Indianapolis)
Last race	1926 Independence Day Classic (Rockingham Park)
Wins Podiums Poles 0 1 0
24 Hours of Le Mans career
Years	1923–1925
Teams	Bentley, privateer
Best finish	1st (1924)
Class wins	1 (1924)

John Francis Duff (January 17, 1895 – January 8, 1958) was a Canadian racing driver. He is best known for winning the 1924 24 Hours of Le Mans.