Michael Costello

Michael Costello may refer to:

Michael Costello (actor), American actor
Michael Costello (Australian public servant), ex-chief of staff to Australian politician Kim Beazley
Michael A. Costello (born 1965), State Representative for the Massachusetts House of Representatives
Michael Copps Costello (1875–1936), Canadian politician
Mike Costello, British sports broadcaster
Michael Joe Costello (1904–1986), Irish Army general

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