Conaghan is a surname. Notable people with this surname include:
Politics Hugh Conaghan (1926–2020), Irish politician and transport official (Fianna Fáil TD for Donegal) Michael Conaghan (1944–2026), Irish politician (Labour TD for Dublin South-Central, Lord Mayor of Dublin) Pat Conaghan (born 1971), Australian politician
Other fields Brian Conaghan (born 1971), Scottish author Joanne Conaghan, British legal scholar Tom Conaghan, Irish Gaelic football player and manager
See also Harry Cunningham (activist) (born Henry Conaghan, 1891–1938) Irish-American activist Dorothy Conaghan Chiles (born 1930) American politician