Michael or Mike Ahern may refer to:
Michael Ahern (Irish politician) (born 1949), Irish Fianna Fáil politician and minister Mike Ahern (Australian politician) (1942–2023), Australian National Party politician and former Premier of Queensland Mick Ahern (1905–1946), Irish hurler
See also Mick Aherne, Gaelic football and hurling Mike Ahearn, former Kansas State football coach