Marco Gradenigo
Marco Gradenigo is the name of the following people:
- Marco Gradenigo (Podestà) , Venetian Podestà of Constantinople
- Marco Gradenigo the Elder , Venetian settler in Crete
- Marco Gradenigo (Patriarch of Aquileia) (1589–1656), Patriarch of Aquileia
- Marco Gradenigo (Patriarch of Venice) (1663–1734), Patriarch of Venice and Bishop of Verona