Duffin

Duffin is a surname, and may refer to:


 * Adam Duffin (1841–1924), Irish unionist politician
 * Graeme Duffin (born 1956), Scottish guitarist
 * Jackie Duffin (born 1950), Canadian medical historian and hematologist
 * Richard Duffin (1909–1996), American physicist
 * Shay Duffin (1931–2010), American actor
 * Terry Duffin (born 1982), Zimbabwean cricketer