William Coffey may refer to:
William Coffey (VC) (1829–1875), Irish recipient of the Victoria Cross William Coffey (cricketer) (1885–?), Irish cricketer William S. Coffey, American lawyer, politician, and judge from New York Willie Coffey (born 1958), Scottish National Party (SNP) politician William Coffey (Irish politician) (1851–1937), Irish politician and Lord Mayor of Dublin