Giuseppe de' Medici (1635–1717) was an Italian patrician, belonging to Napolitan branch of House of Medici. He was the first to hold the title of Duke of Sarno.[1]
A member of a cadet branch of the Medici family, called the Princes of Ottajano, he was the son of Ottaviano de' Medici, 1st Prince of Ottajano and his wife, Donna Diana Caracciolo.
In 1658 he married Andreana d' Avalos, daughter of Andrea d'Avalos, Prince di Montesarchio (1618-1709) and his wife, Andreana di Sangro. They had one son: