Infanta Francisca Josefa Maria Xaviera[1](Portuguese pronunciation: [fɾɐ̃ˈsiʃkɐ ʒuˈzɛfɐ]; English: Frances Josepha) (30 January 1699 – 15 July 1736) was a Portuguese infanta (princess) and the last of eight children of King Peter II of Portugal and his second wife Marie Sophie of Neuburg.

Francisca Josefa was born and died in Lisbon.

Charles Emmanuel III of Sardinia was proposed as a possible marriage for the infanta in 1720–21, but nothing came of it.

She is buried at the Royal Pantheon of the Braganza Dynasty.

This biography of a member of the Portuguese royal family is a stub.