John Flannagan may refer to:
- John Flannagan (Medal of Honor) (born 1852), American sailor and Medal of Honor recipient
- John Flannagan (priest) (1860–1926), Catholic priest and president of St. Ambrose College
- John Bernard Flannagan (1895–1942) American sculptor
- John W. Flannagan, Jr. (1885–1955), American politician
See also edit
This disambiguation page lists articles about people with the same name.
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