The Diocese of Milos or Diocese of Melos (Latin: Dioecesis Milensis) was a Roman Catholic diocese located on the volcanic Greek island of Milos in the Aegean Sea, just north of the Sea of Crete. In 1700, it was suppressed.^[1][2] In 1800 it was restored as a Titular Episcopal See.^[2]

Erected 1207

• Nikolaus Langen, O.P. (21 Apr 1456 Appointed – )
• Nicola Bruni (10 Dec 1511 Appointed – 1540 Died)
• Francesco Rocchi (31 May 1540 Appointed – 1541 Resigned)
• Gian Pietro Ferretti (4 Feb 1541 Appointed – 1545 Resigned)
• Gregorio Castagnola, O.P. (6 Nov 1545 Appointed – 1550 Died)
• Stefano Gattalusio, O.S.B. (13 Mar 1550 Appointed – 1564 Died)
• Bartolomeo Doria (1 Dec 1564 Appointed – 1583 Resigned)
• Bernardo Lauro, O.P. (7 Oct 1583 Appointed – 27 Nov 1585 Appointed, Bishop of Santorini)
• Franciscus Optimates, O.F.M. (23 Jan 1602 Appointed – 1610 Died)
• Nicolaus Lesdos (Ludosius) (24 Jan 1611 Appointed – 1624 Resigned)
• Hyacinthus Arnolfini, O.F.M. Obs. (27 Jan 1625 Appointed – 1629 Died)
• Michael de Bernardis, O.F.M. Ref. (25 Jun 1629 Appointed – 1634 Resigned)
• Gerolamo de Paduano, O.F.M. (24 Jul 1634 Appointed – 16 Jun 1642 Appointed, Bishop of Santorini)
• Antonius Serra (14 Jul 1642 Appointed – Oct 1669 Died)^[3]
• Giovanni Antonio de Camillis (7 Oct 1669 Appointed – 14 Nov 1698 Died)
• Dionysio Modinò (15 Nov 1728 Appointed – 15 Mar 1750 Died)

Suppressed 1700