Tisedi was an ancient city and episcopal see, which remains a Latin Church titular see within the Catholic Church.
Tisedi, located near modern Aziz-Ben-Tellis in present Algeria, was one of many towns in the Roman province of Numidia which was important enough to become a suffragan bishopric but faded completely.
Three of its residential bishops are recorded (although author Morcelli assigns them to Tiddi): The diocese was nominally restored in 1933 as the Latin Church titular see of Tisedi (Latin)/Tisedi (Curiate Italian)/Tiseditanus (Latin adjective).
It has had the following incumbents, so far of the fitting Episcopal (lowest) rank: