Francisco Burdett O'Connor (12 June 1791 - 5 October 1871) was an officer in the Irish Legion of Simón Bolívar's army in Venezuela. He later became Chief of Staff to Antonio José de Sucre and Minister of War of Bolivia. Aside from Simón Bolívar and Sucre, he is one of the only military officers of the Spanish American wars of independence to be bestowed the title of Libertador (Liberator).