Roman Catholic Diocese of Osimo

• Giambattista Sinibaldi (Joannes Baptista de Sinibaldis) (13 Jun 1515 – 9 Apr 1547 Died)[4]
• Cipriano Senili (Cyprianis Senili) (13 May 1547 – 19 Jul 1551 Died)^[4]
• Bernardino de Cupis (bishop) (24 Aug 1551 – 1574 Resigned)^[4]
• Cornelio Firmano (9 Jan 1574 – 5 Jul 1588 Died)^[4]
• Teodosio Fiorenzi (Theodosius Florentinus) (27 Jul 1588 – 19 May 1591 Died)^[4]
• Antonio Maria Gallo (19 Jul 1591 – 30 Mar 1620 Died)^[4]
• OP
  (29 Apr 1620 – 6 Sep 1639 Died)
• Girolamo Verospi (10 Feb 1642 – 5 Jan 1652 Died)
• Lodovico Betti (1 Jul 1652 – 1655 Died)
• Antonio Bichi (6 Mar 1656 – 21 Feb 1691 Died)
• Opizio Pallavicini (8 Aug 1691 – 11 Feb 1700 Died)
• Archbishop (Personal Title) of Viterbo e Tuscania
  )
• Orazio Filippo Spada (17 Jan 1714 – 28 Jun 1724 Died)
• Agostino Pipia,
  OP
  (20 Dec 1724 – Jan 1726 Resigned)

Diocese of Osimo e Cingoli

19 August 1725: United with the

• Pier Secondo Radicati de Cocconato (12 Apr 1728 – 1 Dec 1729 Died)
• Ferdinando Agostino Bernabei,
  OP
  (23 Dec 1729 – 10 Mar 1734 Died)
• Giacomo Lanfredini (27 Mar 1734 – 15 Sep 1740 Resigned)
• Pompeo Compagnoni (16 Sep 1740 – 25 Jul 1774 Died)
• Guido Calcagnini (20 May 1776 – 27 Aug 1807 Died)
• Giovanni Castiglione (11 Jan 1808 – 9 Jan 1815 Died)
• Carlo Andrea Pelagallo (18 Dec 1815 – 6 Sep 1822 Died)
• Ercole Dandini (10 Mar 1823 – 23 May 1824 Resigned)
• Timoteo Maria (Antonio) Ascensi, OCD (21 May 1827 – 6 Dec 1828 Died)
• Giovanni Antonio Benvenuti (15 Dec 1828 – 14 Nov 1838 Died)
• Giovanni Soglia Ceroni (18 Feb 1839 – 4 Jun 1848 Appointed, Secretary of State)
• Giovanni Brunelli (18 Sep 1856 – 21 Feb 1861 Died)
• Salvatore Nobili Vitelleschi (21 Dec 1863 – 20 Nov 1871 Resigned)
• Michele Seri-Molini (24 Nov 1871 – 13 Apr 1888 Died)
• Egidio Mauri,
  Archbishop of Ferrara
  )
• Giovanni Battista Scotti (18 May 1894 – 5 Dec 1916 Died)
• Pacifico Fiorani (12 May 1917 – 22 Jun 1924 Died)
• Monalduzio Leopardi (20 Dec 1926 – 17 May 1944 Died)
• Domenico Brizi (22 Jan 1945 – 11 Feb 1964 Died)
• Carlo Maccari (28 Sep 1972 – 30 Sep 1986 Appointed,
  Archbishop of Ancona-Osimo
  )

Diocese of Osimo

25 January 1985: The former Diocese of Cingoli was split from the Diocese of Osimo e Cingoli and united with the