Isho'yahb

Isho'yahb may refer to:


 * Isho'yahb I (fl. 581-596), patriarch
 * Yeshuyab II (fl. 620-644), also Isho'yahb II of Gdala (628-45), Christian patriarch
 * Ishoyahb III, (fl. 649-659), patriarch
 * Isho'yahb IV (fl. 1020-1025)
 * Isho'yahb V (fl. 1148-1176)
 * Mar Eliyya XIII Isho-Yab (fl. 1778-1804)


 * Bishops in Adiabene (East Syrian Ecclesiastical Province)
 * Ishoy'yahb of Shenna, contemporary of Isho'yahb II of Gdala
 * Ishoʿyahb of Haditha, metropolitan of Mosul during the reign of the patriarch Mari (987–99)