•
Alan Duff (born 1950), New Zealand writer •
Alexander Duff (missionary) (1806–1878), founder of Scottish Church College, Calcutta •
Alexander Duff (Royal Navy officer) (1862–1933), British admiral •
Andrew Duff (born 1950), British politician •
Anne Macintosh Duff (1925–2022), Canadian watercolor artist •
Anne-Marie Duff (born 1970), British actress •
Antony Duff (1920–2000), past head of MI5 •
Antony Duff (philosopher) (born 1945), British philosopher •
Arthur Duff (composer) (1899–1956), Irish composer •
Bob Duff (rugby union) (1925–2006), New Zealand rugby union player and coach • Cara Leland Duff, later
Lady Fairhaven (born 1867) •
Celia Duff (born 1953 or 1954), British Hyrox athlete •
Chris Duff, American expedition sea kayaker •
Damien Duff (born 1979), Irish football manager and former player •
Dick Duff (born 1936), Canadian ice hockey player •
Douglas Valder Duff (1901–1978), policeman and author •
Duncan Duff, Scottish actor •
Edward Gordon Duff (1863–1924), British bibliographer and librarian •
Elmyra Duff, fictional character from
Tiny Toon Adventures •
Ernest Duff (1931–2016), American businessman, lawyer and Mormon bishop • Captain
George Duff (1764–1805), Royal Navy officer who commanded HMS
Mars at the Battle of Trafalgar •
George F. D. Duff, (1926–2001) Canadian mathematician •
Gordon William Duff (born 1947), British professor •
Hailey Duff (born 1997), Scottish curler •
Haylie Duff (born 1985), American actress, Hilary's sister •
Hilary Duff (born 1987), American pop singer and actress, Haylie's sister •
Howard Duff (1913–1990), American actor •
Jamal Duff (born 1972), American actor and former NFL American football player •
James Duff (disambiguation) •
Jason Duff (born 1972), Australian field hockey player •
Jill Duff (born 1972), Anglican priest and Bishop-designate of Lancaster •
John Duff (disambiguation) •
KJ Duff (born 2005), American football player •
Louis Le Duff (born 1945 or 1946), French billionaire businessman •
Lyman Poore Duff (1865–1955), Canadian Chief Justice •
Michael Duff (physicist) (born 1949), British physicist and string theorist •
Michael Duff (footballer) (born 1978), Northern Ireland footballer •
Sir Michael Duff, 3rd Baronet (1907–1980), British hereditary peer •
Mickey Duff (1929–2014), British boxing promoter • Sir
Mountstuart Elphinstone Grant Duff (1829–1906), Scottish politician and author •
Norwich Duff (1792–1862), British admiral •
Patrick Duff (born 1966), British singer-songwriter •
Peggy Duff (1910–1981), British activist •
Philip S. Duff (1922–1997), American newspaper editor and politician •
Reggie Duff (1878–1911), Australian cricketer •
Rick Duff (born 1964), Canadian boxer •
Robert Duff (disambiguation) •
Roger Duff (1912–1978), New Zealand ethnologist •
Shane Duff (born 1982), Northern Irish footballer •
Stan Duff (1919–1941), English footballer •
Thomas Duff (disambiguation) •
Tom Duff (born 1952), Canadian computer scientist •
Warren B. Duff (1904–1973), film and television writer and producer •
William E. Duff, American writer on counterespionage In the British Royal Family: •
Princess Alexandra, 2nd Duchess of Fife (1891–1959), née Duff •
Princess Maud, Countess of Southesk (1893–1945), née Duff Scottish aristocrats: •
William Duff, 1st Earl Fife ( – 1763) •
James Duff, 2nd Earl Fife (1729–1809) •
Alexander Duff, 3rd Earl Fife (1731–1811) •
James Duff, 4th Earl Fife (1776–1857) •
James Duff, 5th Earl Fife (1814–1879) • Alexander Duff, 6th Earl Fife (1849–1912), later
Alexander Duff, 1st Duke of Fife ==See also==