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)