Iffa and Offa East (Irish: Uíbh Eoghain agus Uíbh Fhathaidh Thoir) is a barony in County Tipperary, Ireland. This geographical unit of land is one of 12 baronies in County Tipperary. Its chief town is Clonmel. The barony lies between Iffa and Offa West to the west (whose chief town is Cahir), Middle Third to the north-west (whose chief town is Cashel) and Slievardagh to the north-east (whose chief town is Mullinahone). It is currently administered by Tipperary County Council. The entire barony lies within the geographic remit of the Roman Catholic Diocese of Waterford and Lismore with the exception of the parish of Clerihan which is in the Roman Catholic Archdiocese of Cashel and Emly.