Lesvi is a Roman Catholic titular bishopric in the former ecclesiastical province of Mauretania Sitifensis, suffragan of Sitifis, or Sétif, in modern Algeria. 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 Bou Sellam River. However, there are no archaeological remains.
Two bishops of the ancient diocese of Lesvi are recorded:
The diocese was nominally restored as a Catholic titular bishopric, which has been held by the following bishops:
This article incorporates text from a publication now in the public domain: Herbermann, Charles, ed. (1913). "Lesbi". Catholic Encyclopedia. New York: Robert Appleton Company.