Infanta Antónia of Portugal (European Portuguese: [ɐ̃ˈtɔni.ɐ, ɐ̃ˈtɔnjɐ]; Antónia Maria Fernanda Micaela Gabriela Rafaela Francisca de Assis Ana Gonzaga Silvéria Júlia Augusta de Saxe-Coburgo e Bragança; 17 February 1845 – 27 December 1913) also known as Antónia of Braganza, was a Portuguese infanta (princess) of the House of Braganza. She was the daughter of Queen Maria II of Portugal and her King consort Ferdinand II of Portugal. Through her father, she also held the titles of Princess of Saxe-Coburg and Gotha and Duchess of Saxony.