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.
Gaetano Camillo Guindani also Gaetano Camillo Guindari (1834-1904) was an Italian prelate who was named bishop of Bergamo in the late years of the 19th century.
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).
Giovanni Granafei was a Roman Catholic prelate who served as Archdiocese of Bari (-Canosa) (1666–1683) and Bishop of Alessano (1653–1666).
Tommaso Tomassoni, O.P. was a Roman Catholic prelate who served as Bishop of Umbriatico (1652–1654).
Carlo Nembrini was a Roman Catholic prelate who served as Bishop of Parma (1651–1677).
Giulio Dalla Rosa or Giulio Della Rosa (1642–1699) was a Roman Catholic prelate who served as Bishop of Borgo San Donnino (1698–1699).
Gian Giacomo Cristoforo was a Roman Catholic prelate who served as Bishop of Lacedonia (1649).
Giovanni Linati (1562–1627) was a Roman Catholic prelate who served as Bishop of Piacenza (1619–1627) and Bishop of Borgo San Donnino (1606–1619).
Giovanni Battista Buonacorsi (1605–1681) was a Roman Catholic prelate who served as Bishop of Colle di Val d'Elsa (1645–1681).
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).
Andrea Massa (1607–1654) was a Roman Catholic prelate who served as Bishop of Gallipoli (1651–1654) and Bishop of Castellammare di Stabia (1645–1654).
Antonio Lupi (1598–1668) was a Roman Catholic prelate who served as Bishop of Treviso (1645–1668).
Aniello Campagna (1607–1648) was a Roman Catholic prelate who served as Bishop of Nusco (1645–1648).
Girolamo Codebò was a Roman Catholic prelate who served as Bishop of Reggio Emilia (1661) and Bishop of Montalto delle Marche (1645–1661).
Donato Pascasio, O.S.B. Cel. was a Roman Catholic prelate who served as Bishop of Trevico (1646–1664).
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).
Martino Megali was a Roman Catholic prelate who served as Bishop of Bova (1646–1656).
Benedetto Geraci (1590–1660) was a Roman Catholic prelate who served as Bishop of Lipari (1650–1660).
