Charles O'Conor
Charles O'Conor may refer to:

Charles O'Conor (historian) (1710–1791), Irish writer, historian, and antiquarian
Charles O'Conor (priest) (1764–1828), Irish priest and historian, grandson of the above
Charles O'Conor (American politician) (1804–1884), American lawyer and 1872 presidential candidate
Charles Owen O'Conor (1838–1906), Irish MP

See also
Charles O'Connor (disambiguation)
Charles Connor (disambiguation)