Charles O'Neill

Charles O'Neill may refer to:

Charles O'Neill (musician), Canadian bandmaster, composer, organist, cornetist, and music educator.
Charles O'Neill (Pennsylvania politician), U.S. Representative from Pennsylvania
Charles Gordon O'Neill, Australasian philanthropist and politician
Charles H. O'Neill (1800–1897), U.S. politician
Charles O'Neill, 1st Earl O'Neill
Charles O'Neill (Irish politician), Member of Parliament for South Armagh, 1909–1918
Charles O'Neill (New Zealand politician), 19th century New Zealand politician

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