'''Acacius of Caesarea''' in (Greek: Ἀκάκιος Mονόφθαλμος was an [[Arianism|Arian]] [[bishop]] and a pupil and successor in the Palestinian [[see]] of [[Caesarea ]] of [[Eusebius of Caesarea]]. He is remembered mainly for his bitter opposition to St. [[Cyril of Jerusalem]] and for his part in the acute stages of the Arian controversy during the latter half of the fourth century.