Duhig is a surname. Notable people with the surname include:
Christina Duhig, American poet Ian Duhig (born 1954), British poet James Duhig (1873–1965), Irish-born Australian Roman Catholic bishop James Vincent Duhig (1889–1963), Australian pathologist Michael Duhig (1953–2010), Canadian actor and radio host Tony Duhig, former guitarist of the psychedelic rock band July
See also Duhigg, another surname