Segermes is an ancient town in Tunisia, situated about 60 kilometres south of Carthage, at 36° 20′ 43″ N, 10° 18′ 03″ E.
Under the Roman Empire, the city belonged to the province of Byzacena.
Segermes became a bishopric. It is no longer a residential see, but is included in the Catholic Church's list of titular sees. as of 2007[update] the titular bishop of the see is Josef Clemens.
The names of some of the bishops of the see are known: