Duffy is the nickname of:
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Duffy Ayers, English portrait painter born Elizabeth (Betty) Fitzgerald in 1915
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Duffy Cobbs (born 1964), American former football player
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Duffy Daugherty
Hugh Duffy Daugherty (September 8, 1915 – September 25, 1987) was an American football player and coach. He served as the head coach at Michigan State University from 1954 to 1972, compiling a record of 109–69–5. His 1955 and 1957 and 1965 ...
(1915–1987), American college football player and Hall of Fame coach
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Duffy Dyer (born 1945), American former Major League Baseball player
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Duffy Jackson (1953–2021), American jazz drummer
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Duffy Lewis (1888–1979), American Major League Baseball player
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Norma "Duffy" Lyon (1929–2011), American farmer and butter sculptor
See also
{{Nickname
Nicknames