|Death||1510 (Dubrovnik, Dubrovnik-Neretva County, Croatia)|
Giuliano Maffei, O.F.M. or Giuliano Matteis (died 1510) was a Roman Catholic prelate who served as Archbishop of Dubrovnik (1505–1510) and Bishop of Bertinoro (1477–1505).
Giuliano Maffei was ordained a priest in the Order of Friars Minor. On 24 Jan 1477, he was appointed during the papacy of Pope Sixtus IV as Bishop of Bertinoro. On 18 Apr 1505, he was appointed during the papacy of Pope Julius II as Archbishop of Dubrovnik. He served as Archbishop of Dubrovnik until his death in 1510.
While bishop, he was the principal consecrator of:
- Odon Ozic, Bishop of Vaison (1482);
and the principal co-consecrator of:
- Astorgius Almarici, Bishop of Saint-Paul-Trois-Châteaux (1478);
- Guido Gaufridi, Titular Bishop of Troja (1478);
- Jan Strzelecki, Archbishop of Lviv (1481);
- Gabriel de Franchis, Bishop of Ajaccio (1482);
- Erasmus Perchinger, Auxiliary Bishop of Freising (1482);
- Johann Spenner, Auxiliary Bishop of Köln (1482);
- Pierre Carré, Bishop of Orange (1484);
- Heinrich Kratz, Auxiliary Bishop of Naumburg (1484);
- Balthasar Brennwald, Auxiliary Bishop of Chur (1491); and
- Pedro Gamboa, Coadjutor Bishop of Carinola (1498).