Callanan is an Irish surname. Notable people with the surname include:
Aonghus Callanan (born 1985), Irish sportsman Colm Callanan (born 1982), Irish sportsperson Fionnbar Callanan, Irish sports photographer Ian Callanan (born 1971), Irish composer James J. Callanan (1842–1900), businessman and politician James Joseph Callanan (1795–1829), Irish poet Jeremiah Joseph Callanan (1795–1829), Irish poet Joe Callanan (born 1949), Irish politician John Joe Callanan (1894–1970), Irish sportsperson Johnny Callanan (1910–1982), Irish politician Liam Callanan, American author and professor of English Martin Callanan (born 1961), British politician Martin John Callanan (born 1982), artist Michael Callanan (1849–1929), politician Peter Callanan (1935–2009), Irish politician Séamus Callanan (born 1988), hurler
See also Callinan