Marco Giustiniani
Marco Giustiniani or Marco Giustinian may refer to:
- Marco Giustiniani, Venetian diplomat, see Byzantine–Venetian treaty of 1277
- Marco Giustiniani, Venetian diplomat took part in the Siege of Zadar
- Marco Giustiniani, Venetian diplomat
- Marco Giustiniani , see Roman Catholic Diocese of Crete
- Marco Giustiniani, Venetian governor
- Marco Giustiniani, Venetian governor
- Marco Giustiniani
- Marco Giustiniani
- Marco Giustiniani