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Michael Cahill 
Summary
Michael Cahill may refer to:
- Michael P. Cahill (born 1961), American politician
- Michael T. Cahill, American law professor
- Mike Cahill (filmmaker) (born 1979), American filmmaker
- Mike Cahill (golfer), (born 1951), Australian golfer
- Michael Cahill (hurler) (born 1989), Irish hurler
- Mike Cahill (tennis) (born 1952), American tennis player