Francis O'Connor

Francis O'Connor may refer to:


 * Francisco Burdett O'Connor (Francis O'Connor, 1791–1871), officer in the Irish Legion of Simón Bolívar's army in Venezuela
 * Frank O'Connor (actor, born 1897) (Charles Francis O'Connor, 1897–1979), American actor, painter and rancher and the husband of novelist Ayn Rand
 * Francis P. O'Connor (1927–2007), associate judge of the Massachusetts Supreme Judicial Court
 * Francis V. O'Connor (1937–2017), American art historian