Giulio Mattei

{{short description|17th-century Catholic bishop}}

{{Infobox Christian leader

| type = Bishop

| honorific-prefix = Most Reverend

| name = Giulio Mattei

| title = Bishop of Bitetto

| other_names =

| image =

| image_size =

| alt =

| caption =

| church = Catholic Church

| archdiocese =

| diocese = Roman Catholic Diocese of Bitetto

| see =

| term = 1611–1624

| predecessor = Livio Limatola

| successor = Michael Masserotti

| ordination =

| ordained_by =

| consecration = 23 May 1611

| consecrated_by = Roberto Francesco Romolo Bellarmino

| cardinal =

| created_cardinal_by =

| rank =

| birth_date = 1561

| birth_place = Monte San Savini, Italy

| death_date = 1624 (age 63)

| death_place = Bitetto, Italy

| previous_post =

| nationality = Italian

| religion =

}}

Giulio Mattei (1561–1624) was a Roman Catholic prelate who served as Bishop of Bitetto (1611–1624).{{cite book|url=http://sul-derivatives.stanford.edu/derivative?CSNID=00002719&mediaType=application/pdf|last1=Gauchat|first1=Patritius (Patrice)|title=HIERARCHIA CATHOLICA MEDII ET RECENTIORIS AEVI Vol IV|pages=115|date=1935|publisher=Libraria Regensbergiana|location=Münster|isbn=}} (in Latin)[http://www.catholic-hierarchy.org/diocese/db533.html "Diocese of Bitetto"] Catholic-Hierarchy.org. David M. Cheney. Retrieved July 15, 2016[http://www.gcatholic.org/dioceses/former/t0320.htm "Titular Episcopal See of Bitetto"] GCatholic.org. Gabriel Chow. Retrieved February 29, 2016