James Duffy may refer to:
- James E. Duffy, Jr. (born 1942), retired associate justice of the Hawaii State Supreme Court
- James Duffy (psychiatrist), neuropsychiatrist and associate professor of clinical psychiatry at the University of Connecticut
- James Duffy (Irish publisher) (1809–1871), Irish publisher of Nationalist and Roman Catholic books, bibles and religious texts
- James Duffy (athlete) (1890–1915), winner of the 1914 Boston Marathon
- James Duffy (VC) (1889–1969), Irish recipient of the Victoria Cross in 1917
- James Duffy, a character in the short story "A Painful Case" (part of the book Dubliners) by James Joyce
- James Duffy (cricketer)
- James Albert Duffy (died 1968), first bishop for the Diocese of Grand Island
- James F. Duffy, American football coach
- James P.B. Duffy (1878–1969), former U.S. Congressman from New York
- Jamie Duffy (born 1983), Irish footballer
- Jim Duffy (journalist) (born 1966), journalist, political commentator, and Irish advisor to Australia's Republic Advisory Committee
- Jim Duffy (footballer) (born 1959), former caretaker manager of Norwich City F.C.
- Jim Duffy (rugby league), rugby league footballer
- Jim Duffy (journalist) (born 1966), Irish historian and political commentator
- Jim Duffy (umpire) (1920–2003), American baseball umpire
- Jim Duffy (animator) (died 2012), American animator
Famous quotes containing the word james:
“We, the lineal representatives of the successful enactors of one scene of slaughter after another, must, whatever more pacific virtues we may also possess, still carry about with us, ready at any moment to burst into flame, the smoldering and sinister traits of character by means of which they lived through so many massacres, harming others, but themselves unharmed.”
—William James (1842–1910)