The Roman Catholic Diocese of Fidenza in the Province of Parma, Italy, was until 1927 named the Diocese of Borgo San Donnino. It is now a suffragan of the Metropolitan Archdiocese of Modena-Nonantola, though historically it was long subject to the Archdiocese of Bologna.
Galeazzo Sanvitale was a Roman Catholic prelate who served as Archbishop of Bari-Canosa (1604–1606).
Bonaventura Claverio (1606–1671) was a Roman Catholic prelate who served as Bishop of Potenza (1646–1671).
Ranuccio Scotti Douglas or Ranuzio Scotti Douglas was a Roman Catholic prelate who served as Bishop of Borgo San Donnino (1627–1650), Apostolic Nuncio to Switzerland (1630-1639), and Apostolic Nuncio to France (1639–1641).
Diego Sersale was a Roman Catholic prelate who served as Archdiocese of Bari-Canosa (1638–1665).
Muzio Dandini was a Roman Catholic prelate who served as Bishop of Senigallia (1686–1712).
Giulio Dalla Rosa or Giulio Della Rosa (1642–1699) was a Roman Catholic prelate who served as Bishop of Borgo San Donnino (1698–1699).
Giambattista Spada or Giovanni Battista Spada was a Roman Catholic Cardinal.
Girolamo Boncompagni (1622–1684) was a Roman Catholic cardinal.
Carlo Conti (1556–1615) was a Roman Catholic cardinal.
Pompeo Cornazzano, O. Cist. (1576–1647) was a Roman Catholic prelate who served as Bishop of Parma (1615–1647).
Pietro Antonio Spinelli was a Roman Catholic prelate who served as Archbishop of Rossano (1629–1645).
Papirio Picedi (1528–1614) was a Roman Catholic prelate who served as Bishop of Parma (1606–1614) and Bishop of Borgo San Donnino (1603–1606).
Filippo Filonardi (1582–1622) was a Roman Catholic cardinal.
Antonio Lupi (1598–1668) was a Roman Catholic prelate who served as Bishop of Treviso (1645–1668).
Girolamo Codebò was a Roman Catholic prelate who served as Bishop of Reggio Emilia (1661) and Bishop of Montalto delle Marche (1645–1661).
Leonardo Severoli (1605–1652) was a Roman Catholic prelate who served as Bishop of San Severo (1650–1652).
Filippo Casoni (1599–1659) was a Roman Catholic prelate who served as Bishop of Borgo San Donnino (1651–1659).
Francesco Antonio Depace (1586–1655) was a Roman Catholic prelate who served as Bishop of Aquino (1646–1655).
Antonio Pavonelli, O.F.M. Conv. (1602–1653) was a Roman Catholic prelate who served as Bishop of Venosa (1648–1653).
