Lesvi is a Roman Catholic titular bishopric in the former Ecclesiastical province of Mauretania Sitifensis, suffragan of Sitifis, or Sétif, in modern Algeria.^[1] It is not, as is sometimes stated, the Island of Lesbos, which never was a titular bishopric, but possesses two titular archbishoprics: Mytilene and Methymna.

The "Itinerarium Antonini" describes Lesvi as situated twenty-five miles from Tupusuctu or Tiklat and eighteen miles from Horrea Aninici (now Ain-Roua, south of Béjaïa). The town was therefore located on the Sava (Oued-Bou-Sellam). However, there are no archaeological remains.

Two of its bishops are recorded: Romanus, a Donatist, present at the convention of Carthage, 411; Vadius, a Catholic exiled by the Vandal King Huneric in 484.

The diocese was nominally restored as a Catholic titular bishopric.

It had had the following incumbents, all of the fitting episcopal rank :

• Auguste-Jean-Gabriel Maurice (1 Aug 1908 – 27 Jul 1925)
• Denis O’Donaghue (26 Jul 1924 – 7 Nov 1925)
• Simone Chu Kai-min (2 Aug 1926 – 11 Apr 1946)
• Timothy Finbar Manning (3 Aug 1946 – 16 Oct 1967)
• José Tomás Sánchez (5 Feb 1968 – 13 Dec 1971)
• Leopoldo Sumaylo Tumulak (12 Jan 1987 – 28 Nov 1992)
• Juan María Leonardi Villasmil (27 Jan 1994 – 12 Jul 1997)
• Antoni Dziemianko (4 Jul 1998 – 3 May 2012)
• Bohdan Manyshyn (2014.04.02 – )

•  Herbermann, Charles, ed. (1913). "Lesbi". Catholic Encyclopedia. New York: Robert Appleton Company.
• Catholic hierarchy

 This article incorporates text from a publication now in the public domain: Herbermann, Charles, ed. (1913). "Lesbi". Catholic Encyclopedia. New York: Robert Appleton Company.