Equizetum is a former city and bishopric in Roman North Africa which only remains a Latin Catholic titular see.
Its presumed location is Ouled-Agla (colonial French name Lacourbe) in present Algeria.
It was among the cities of sufficient importance in the Roman province of Mauretania Sitifensis (in the papal sway) to become a suffragan diocese, but was to fade, plausibly at the seventh century advent of Islam.
Two of its bishops are historically documented: The diocese was nominally restored in 1933 as Latin titular bishopric of Equizetum (Latin) / Equizeto (Curiate Italian) / Equizeten(sis) (Latin adjective).
It has had the following incumbents, so far of the fitting Episcopal (lowest) rank: