Francisca (1694-1694) was the daughter of King Pedro II of Portugal and his second wife Marie Sophie. She died young. Her younger sister (1699-1736) was also named Francisca.
Francisca Ballesteros (born 1969) is a Spanish serial killer, who gained notoriety for killing her two daughters and her husband, as well as trying to kill her son, between 1990 and 2004.