Infanta Antónia of Portugal (or of Braganza; Portuguese pronunciation: [ɐ̃ˈtɔniɐ]; 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) was a Portuguese infanta (princess) of the House of Braganza,[1] daughter of Queen Maria II of Portugal and her King consort Ferdinand II of Portugal.

Antónia was born in 1845 at the Palace of Belém, she was the sixth child of twelve, and the third girl.

Her profile was Grecian, her shoulders sloping, her hands long and delicate, her feet very small and useless.

She loved fine clothes and jewels and, though leading almost an invalid's life, was always very smartly dressed.

"[2] Later, Marie also wrote on their complicated relationship and views on her mother-in-law's character: "She was a curious mixture of dignity and childish futility, vain, self-centered, small in her judgements of others.