Dandolo is an Italian surname. The Dandolo family of the Republic of Venice produced several Doges. Notable people with the surname include:

Four Doges of Venice: Enrico Dandolo, 41st Doge Giovanni Dandolo, 48th Doge Francesco Dandolo, 52nd Doge Andrea Dandolo, 54th Doge Two Risorgimento fighters Enrico Dandolo (patriot) Emilio Dandolo Andrea Dandolo (admiral), Venetian admiral, not the same man as the Doge of this name Vincenzo, Count Dandolo, chemist, agriculturist and Napoleon's governor of Dalmatia

See also , named after the Doge Enrico Dandolo Dandolo, Maniago - frazione of the comune of Maniago, province of Pordenone.