Baba II Rabba (Samaritan Aramaic: ࠁࠢࠁࠢࠀ ࠓࠠࠁࠠࠄ Bābāʾ Råbbå, Samaritan Hebrew: ࠁࠢࠁࠢࠀ ࠄࠣࠂࠟࠃࠅࠫࠋ Bābāʾ ʾagā̊dōl; literally "Baba the Great"), was a notable Samaritan High Priest. He is believed to have lived during the late third and early fourth centuries CE; Jeffrey Cohen puts his birth at 288 and his death at 328.