Durcan, together with Durkan and Durkin, is an anglicised form of the Irish surnames Ó Duarcáin or Mac Duarcáin. Notable people who spell the surname Durcan include:

James Durcan (born 1994), Gaelic footballer Liam Durcan, Canadian neurologist Mark Durcan (born 1961), American CEO Paddy Durcan (born 1994), Gaelic footballer Patrick Durcan (politician) (born 1951), Irish judge and politician Patrick Durcan (bishop) (1790–1875), Irish Roman Catholic clergyman Paul Durcan (1944–2025), Irish poet Paul Durcan (Gaelic footballer) (born 1984), Irish Gaelic footballer and coach Peter Durcan (born 1986), Irish rugby union player Ted Durcan (born 1973), Irish jockey Thomas Durcan (1920–1998), Singaporean sailor

See also Dorkin, another variation of the surname Durkin