Giovanni Carlo Doria (1576-1625) (also Gio, Gian, or Giovan) was a Genoan art collector and mecenas of the early 17th century. A son of Agostino Doria, doge of Genoa in 1601-1603, he was a prominent member of one of the richest and most influential families of Genua; his brother Giovanni Stefano Doria (1578-1641) became the 101st doge of Genua (1633-1635) and was considered the richest man in Italy in his day. Giovanni Carlo was married to Veronica Spinola, daughter of Ambrogio Spinola. He was given the Order of Santiago by Philip III of Spain.