Iubaltiana was a Roman–Berber civitas (town) in the province of Africa Proconsularis and in late antiquity in Byzacena. The town has been tentatively identified with ruins near Kairouan in today's Tunisia. Titular Episcopal See of Iubaltiana.
Iubaltiana was also the seat of an ancient Christian bishopric,Pius Bonifacius Gams, Series Episcoporum Ecclesiae Catholicae, (Leipzig, 1931). governed under the Bishop of Carthage.Joseph Bingham, Origines Ecclesiasticae, Volume 3 (Straker, 1843) p231. It was one of several bishoprics in what is today the Kairouan city area.
Today the bishopric survives as a titular see of the Roman Catholic Church and the current bishop is Luis Manuel Alí Herrera who succeeded Karl-Josef Rauber in 2015. Titular Episcopal See of Iubaltiana at catholic-hierarchy.org.
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