John McGowan
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John McGowan may refer to:John McGowan (footballer), Scottish footballer
Jack McGowan (golfer) (1930–2001), American professional golfer
John McGowan (1831–?), American Civil War sailor and Medal of Honor recipient
John McGowan (politician) (1845–1922), former Ontario MPP and member of the Canadian House of Commons
John McGowan (professor), distinguished professor of the humanities at the University of North Carolina, author, editor
J. P. McGowan (1880–1952), Hollywood actor and director
John Reid McGowan (1872–1912), Australian boxing champion
Jack McGowan (1894–1977), Broadway writer, performer and producer