Charles O'Neill may refer to:
- Charles O'Neill (musician) (1882–1964), Canadian bandmaster, composer, organist, cornetist, and music educator
- Charles O'Neill (Pennsylvania politician) (1821–1893), U.S. Representative from Pennsylvania
- Charles O'Neill (engineer) (1828–1900), Australasian philanthropist and politician
- Charles H. O'Neill (1800–1897), U.S. politician
- Charles O'Neill, 1st Earl O'Neill (1779–1841), Irish politician, peer and landowner
- Charles O'Neill (Irish nationalist politician) (1849–1918), Member of Parliament for South Armagh, 1909–1918
See also
Topics referred to by the same termThis disambiguation page lists articles about people with the same name.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: