Alessandro, Principe Ruspoli (December 3, 1708 – Rome, June 20, 1779) was the 2nd Principe di Cerveteri, 2nd Marchese di Riano and 7th Conte di Vignanello, son of Francesco Maria Marescotti Ruspoli, 1st Prince of Cerveteri and wife Isabella Cesi dei Duchi di Acquasparta, maternal niece of Pope Innocent XIII.
Archaeologists have discovered other major municipalities unmentioned by the ancient sources at Corchiano, Vignanello, Gallese and Grotta Porciosa.